MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, pointing to multiple URLs hosted on compromised WordPress sites, suggesting a phishing or malware distribution scheme. The presence of numerous unknown URLs associated with compromised CMS uploads reinforces this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
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://eske.hu/wp-content/plugins/formcraft/file-upload/server/content/files/16082aff5e8977---punanajudeduj.pdf
- http://meta-min.com/files/63936463097.pdf
- http://danguykhoidoanhnghiephp.vn/Upload/files/serakuwitikuzajomezap.pdf
- http://www.majbrno.cz/uploads/files/volij.pdf
- http://www.doctor-carpet.com/wp-content/plugins/super-forms/uploads/php/files/labgqiibghs5jphancd5sq3ml5/53520836730.pdf
- http://donationwebsites.com/clients/6/68/68901b9e08e997a22fc64c74502b39ca/File/lolajuvatenosifututasul.pdf
- https://cedarcreeksauce.com/wp-content/plugins/super-forms/uploads/php/files/851031307094bd34d14861b84f34cecc/jopiferomo.pdf
- http://www.dadosefatos.net.br/wp-content/plugins/formcraft/file-upload/server/content/files/16071204f33352---58372849213.pdf
- http://anthonyvienna.com/sites/default/files/file/7374288446.pdf
- https://clubslotalmatriche.com/calcas/file/monidekerumujedagifi.pdf
- http://www.bestlifepolicy.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160d8db5069d9b---69816260518.pdf
- https://expungemyrecordnj.com/wp-content/plugins/formcraft/file-upload/server/content/files/160862ec5a635c---lopemikev.pdf
- http://atek-ent.com/upload/file/vujusanida.pdf
- http://tjjjsh.com/uploads/files/3456634083.pdf
- http://ifa-astrologie.de/userfiles/file/82614036979.pdf
- https://dpmceramiche.it/file/luresuja.pdf
- https://olivierdaulte.com/ckfinder/userfiles/files/sawogumemopesujukatage.pdf
- http://mazurubezpieczenia.pl/zdjecia/fck/file/20649206192.pdf
- http://ecohost.ru/pics/images/file/324108430.pdf
- https://www.isgs.org/wp-content/plugins/super-forms/uploads/php/files/3bc61f05779a1cd4b05de5938498c700/81321086721.pdf
- https://www.rougeindigo.com/ckfinder/userfiles/files/64361145256.pdf
- http://julianowka.pl/ckfinder/userfiles/files/29596910929.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=pct+for+winstrol
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- 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_off00012eb7.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12EB7 | 16792 bytes |
font_01_sfnt_off000146c9.bindabb3647ddd41e52954d27973734849790d0c37dc21bddd5a69c92a86ae1cec7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x146C9 | 17288 bytes |
font_02_sfnt_off000173e3.bindfd8731697cbd7646415f144e6effd5e02ec2b2aa12a82de7fe05583d15b49f4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x173E3 | 10120 bytes |
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