MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file is a PDF document that contains numerous external links, many of which point to WordPress installations hosting PDF files. The presence of a 'download button' heuristic and the ClamAV detection as 'Pdf.Phishing.Trojan' strongly suggest a phishing or malware distribution attempt. The ML classifier also flagged this PDF with high confidence.
Machine Learning
- Nyx PDF Classifier malicious score 0.9726
Heuristics 8
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://krisoc.ru/uplcv?utm_term=five+nights+at+freddy%27s+4+full+version+free+download PDF link annotation
- https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1610afdb0b048b---nagodakijifuxibiwiseduz.pdfIn PDF document text
- http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/p6elv2lqud1lvsr8to40jfhqc3/57298616461.pdfIn PDF document text
- http://www.advancedevents.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a9491479ed8---novalamumiru.pdfIn PDF document text
- http://ttccid.com/userfiles/files/jarineg.pdfIn PDF document text
- https://milorem-service.ru/userfiles/file/nolegufuzowepifiwaresuke.pdfIn PDF document text
- https://mudateconmigo.cl/wp-content/plugins/super-forms/uploads/php/files/e53b1c08312ec61de74dd9314d8b643c/mitukotiletoratunivo.pdfIn PDF document text
- http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/cvaak25c5j0dtlk37tnhgakut0/20653130044.pdfIn PDF document text
- https://aznamaste.com/ckfinder/userfiles/files/bitosoporudawezo.pdfIn PDF document text
- http://104.156.58.56/~web2inbox/wp-content/plugins/formcraft/file-upload/server/content/files/160c4772750e44---ganunaxuluvetinosi.pdfPDF link annotation
- https://hogies.com/includes/template/uploads/file/62691523319.pdfIn PDF document text
- http://essuances.com/ckfinder/userfiles/files/wojafavovanepexagibu.pdfIn PDF document text
- http://www.kmclogistics.com/wp-content/plugins/super-forms/uploads/php/files/8076cf6096b7d7d3399770b28f724293/74642594059.pdfIn PDF document text
- https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606caa4c122aa---89896807981.pdfIn PDF document text
- http://backupcenters.com/userfiles/file/83649418100.pdfIn PDF document text
- http://sciencevier.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c1e6fbcb194---jarudikegeje.pdfIn PDF document text
- https://paloaltospeakerseries.com/wp-content/plugins/super-forms/uploads/php/files/11ccba56c8d4370062f549562a2def1e/98667126633.pdfIn PDF document text
- http://khamtribacninh.com/images/files/40418980295.pdfIn PDF document text
- https://mikepromedia.com/wp-content/plugins/super-forms/uploads/php/files/6e02f732a26e0d9fd3d61aa532e2c5aa/gatobarenojibusaxodo.pdfIn PDF document text
- http://batiment-tunisie.com/userfiles/file/xizenofolanulowalite.pdfIn PDF document text
- https://outsourcedbackoffice.co.uk/wp-content/plugins/super-forms/uploads/php/files/c1dcdd8965f1a87208b367ecb803d10d/73759831882.pdfIn PDF document text
- https://abouelhoulgroup.com/userfiles/files/57035316160.pdfIn PDF document text
- http://gsxr.hu/userfiles/file/zenixutune.pdfIn PDF document text
- https://cvenhancer.com/wp-content/plugins/super-forms/uploads/php/files/35c6da5911788cf57b1a668f82bc62dc/9506439709.pdfIn PDF document text
- http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a55e45b67ef---lotukigitadesugagu.pdfIn PDF document text
- http://bajcsidavidfoto.com/_user/file/gujiju.pdfIn PDF document text
- https://anukulagrotech.com/userfiles/file/rimeribiga.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_006_off00015398.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x15398 | 17328 bytes |
SHA-256: 10a2ee930fe5c7bac603c360811c84fc3f1251adb79c6e5008dbf6c7732c9866 |
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font_00_sfnt_off0000f44a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF44A | 17360 bytes |
SHA-256: cef010795eb1d6647bcfb150798ffd31937156f66f68371616dac205ef2024b5 |
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font_01_sfnt_off000121cc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x121CC | 11088 bytes |
SHA-256: 05facc0ed8724a023bf43fac67aa4a308e842f9d76b13ddb233c7396dddc8be4 |
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font_02_sfnt_off00013b87.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13B87 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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