MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was identified as malicious by ClamAV and an ML classifier. It contains a large number of links, many pointing to compromised CMS upload directories, suggesting a link farm designed to manipulate search engine results or redirect users to malicious sites. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicates a pattern of using disposable hosting for these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
Heuristics 6
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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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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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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 http://www.sparkprototypes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c5781f1ad75---80374041896.pdf In PDF document text
- https://stakeoutllc.com/wp-content/plugins/super-forms/uploads/php/files/fb2c0a03833542f25240247031257239/50599635003.pdfIn PDF document text
- https://cryptoshift.be/anaeter_capital/siteadmin/userfiles/files/2427646240.pdfIn PDF document text
- http://an-ocn.ru/ckfinder/userfiles/files/dapetevaruladoga.pdfIn PDF document text
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/16108da9d49d3b---55609192141.pdfIn PDF document text
- https://beautyyaurient.com/editor_upload/file/37899605299.pdfIn PDF document text
- https://www.focus.mu/wp-content/plugins/super-forms/uploads/php/files/e5eb2f6af9c07b1ef6b7e4f4159cb187/38990953497.pdfIn PDF document text
- http://www.barankayalar.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16098be260b382---wujuzibupononefokekef.pdfIn PDF document text
- http://abwcolley.com/uploads/files/79314366560.pdfIn PDF document text
- http://sun-apartments.pl/data/pages/jozekuvafewulegewavoxij.pdfIn PDF document text
- http://abwlanham.com/uploads/files/viwoxikomexetuzalovefep.pdfIn PDF document text
- http://grani-tonkogo-mira.ru/wp-content/plugins/super-forms/uploads/php/files/d4f6f9d6c7ce2a97f826e04d1ff0f85e/26879217940.pdfIn PDF document text
- http://alemotta.com/resources/original/file/vulepejomapunatoxisab.pdfIn PDF document text
- https://museos.comarcadelasierradealbarracin.es/ckfinder/userfiles/files/88025511936.pdfIn PDF document text
- https://ludifrance.fr/userfiles/file/gifif.pdfIn PDF document text
- http://gndpta.eu/news_objects/files/64751472040.pdfIn PDF document text
- http://firstcuwire.com/file_media/file_image/file/96654705209.pdfIn PDF document text
- https://www.mii.net/wp-content/plugins/super-forms/uploads/php/files/174a2a3ee18703cea4fc7ef4ab2bf1cb/gexike.pdfIn PDF document text
- https://dermo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083a2aa58d03---barumuxawologa.pdfIn PDF document text
- http://packagingandfoodmachinary.com/userfiles/file/revoguxexamosozuxuvikovu.pdfIn PDF document text
- http://pavcargo.ru/wp-content/plugins/super-forms/uploads/php/files/b413a58891b6397106551b0b92ca84a5/51731821783.pdfIn PDF document text
- https://aravlicraft.com/cmsCart//upload/file/dosazotonimubavotigane.pdfIn PDF document text
- http://www.romanschatztruhe.de/img/files/povajipuwo.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=definition+of+management+information+system+with+examplePDF link annotation
- https://lapdonline.org/file/81184270542.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e74a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE74A | 18952 bytes |
SHA-256: 676a0f2fa47deddfdd3a87cb89917c23c4eef0ffb0f3297d50896cec2b233bee |
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font_01_sfnt_off00011776.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11776 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012f8d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F8D | 11108 bytes |
SHA-256: 695895a603948267584785181f127ca1f19c73cb563e03fe4c11dc4154853755 |
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