MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, directing users to numerous external URLs, many hosted on compromised WordPress sites or disposable domains. The presence of embedded URLs and the PDF structure suggest it is likely a phishing lure or a downloader for further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9911
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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 https://wastran.ru/uplcv?utm_term=rocky+hill+tax+collector PDF link annotation
- http://webinside.pl/userfiles/file/fexivoniwavate.pdfIn PDF document text
- http://akgikorea.com/file_upload/fck_upfile/file/73951939759.pdfIn PDF document text
- http://novaserv.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608014a0dfbbf---56600303703.pdfIn PDF document text
- https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/16085de09cf904---jebaduxovodamutedu.pdfIn PDF document text
- http://glassick.com/userfiles/file/soxudafujizudagaxofiwavov.pdfIn PDF document text
- https://www.myjamaicais.com/wp-content/plugins/super-forms/uploads/php/files/03e25b6137bef10c5bfb121b9649ea91/nobukowefewesovukepevi.pdfIn PDF document text
- http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c9d97239fa---74785126871.pdfIn PDF document text
- https://utilitydiscount.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba0de080dec---50358612890.pdfIn PDF document text
- https://autoradiator.mn/uploads/ckfinder/files/totogesewabejuzipivelujas.pdfIn PDF document text
- https://rajakeempat.com/contents/files/22930322278.pdfIn PDF document text
- https://galedo.cz/www/data/cms_files/files/guvapikepimemugup.pdfIn PDF document text
- http://akkoryazilim.com/userfiles/file/tasagojekamatubadi.pdfIn PDF document text
- http://pastoret.it/userfiles/files/xiweb.pdfIn PDF document text
- http://chenruichem.com/upload/files/6228962379.pdfIn PDF document text
- https://atamergranit.com/userfiles/file/87875280173.pdfIn PDF document text
- https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/e0bd2a9fd0b68fe5ee5bd8ae375f5659/pawanafadu.pdfIn PDF document text
- http://bociany.sk/media/file/24795577157.pdfIn PDF document text
- http://luatsutiengtrung.com/app/webroot/uploads/files/65990467388.pdfIn PDF document text
- http://localhomesales.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16080b0240be77---84788001331.pdfIn PDF document text
- https://www.mybizwebsites.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084f3162b4b2---29219230446.pdfIn PDF document text
- https://trvstore.com/userfiles/file/bamovad.pdfIn PDF document text
- http://cck-brno.cz/ckfinder/userfiles/files/meratadupo.pdfIn PDF document text
- http://webscape.co.bw/wp-content/plugins/formcraft/file-upload/server/content/files/160bdfbe0c4474---lisened.pdfIn PDF document text
- https://tucarrorentacar.co/ckfinder/userfiles/files/fubulu.pdfIn PDF document text
- http://constantcontinuity.com/membership/data/files/sirugomidewanoseda.pdfIn PDF document text
- http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab82fadfcf6---sinilinulimodipip.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_off0000eaff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAFF | 16116 bytes |
SHA-256: d1a58331adc6bb695a1efe5730cb8c0c2dac08f11c05e612dcd96cd3c89f4bfb |
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font_01_sfnt_off0001145a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1145A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012c71.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C71 | 10408 bytes |
SHA-256: 3419f97bc4a15f4852d6e8aa23d76be530944335117e94f51e1f896252b08abb |
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