MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains a large number of links, many pointing to compromised WordPress sites, suggesting it functions as a link farm to distribute malicious content or phish users. The document body was unreadable, but the heuristics strongly indicate a malicious intent to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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 http://www.kmclogistics.com/wp-content/plugins/super-forms/uploads/php/files/70d04623a1899d623896d1819f87bc13/86284493118.pdf
- http://vdgairconditioning.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a2300a10995---dasaxedawir.pdf
- https://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/rmu8m7kve98gga4kflls5eemac/diremawipugefazoto.pdf
- http://rustproofingottawa.com/userfiles/file/66146331978.pdf
- http://stellamaris.cz/userfiles/7781005938.pdf
- http://ahkjt.com/upfile/file/ponizogofinuvax.pdf
- https://www.pharmaright.ca/wp-content/plugins/super-forms/uploads/php/files/11anbgqmm76oltmrpjjogqia8j/teton.pdf
- http://transbur.ru/admin/ckfinder/userfiles/files/74342021272.pdf
- http://www.saraviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160da6c54818a9---24884891.pdf
- https://homini.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1609cfa51bb688---18354870824.pdf
- https://belgradenightlife.info/wp-content/plugins/super-forms/uploads/php/files/can6mpd1trd10n417djkbc2q0s/47357829069.pdf
- https://revapackers.com/wp-content/plugins/super-forms/uploads/php/files/6s3hkm1mliu6kaq7ie4guq65u4/62577139600.pdf
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c8a3bb3b590---polebixatop.pdf
- http://dodici12.ru/wp-content/plugins/super-forms/uploads/php/files/ruvksf24tvk7oa1jb7hhchnr87/16771751280.pdf
- http://banghetretruc.com/media/ftp/file/neruxajedikomadajibux.pdf
- http://www.predoisiasociatii.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609caa4eaccc7---86467812655.pdf
- http://kindervakantieweekdeurne.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a9c5528cd63---63096042085.pdf
- http://bundoreh.com/fckeditor/files/file/zenepax.pdf
- http://sts-logistika.ru/wp-content/plugins/super-forms/uploads/php/files/93ea7dc1139768022842c27c96d29db2/94852902617.pdf
- https://baodinhsolar.com/wp-content/plugins/super-forms/uploads/php/files/p0j0ii39bf5s5jkh7griuiiqbs/ravufiwuxaxurolukeza.pdf
- http://rockpapersun.com/upload_mce_image/file/50350941139.pdf
- http://dirabrealtors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b385125b591---fowodeliwufap.pdf
- http://bagpack.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/1608133e65b85e---68809528149.pdf
- http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160b6e0135e33a---begetejepoxoliwalikepi.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=a+comprehensive+textbook+of+obstetrics+and+gynecology+pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000eba5.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBA5 | 16792 bytes |
font_01_sfnt_off000103bc.bin3afc334678f78e8d6a773f4df26098df4752364f5270b645b445c0a0e89ea996 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103BC | 11564 bytes |
font_02_sfnt_off00011e9f.binddd3974016c8a38e3afc4bfb56e7b583205b5a9ce46faa5c69bfd6afd11f65f4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E9F | 16804 bytes |
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