MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with many URLs pointing to compromised CMS upload storage and disposable hosting, suggesting a phishing or malware distribution scheme. The document body is heavily obfuscated and unreadable, providing no further context on the specific lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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://ahlhy.com/uploads/file/182024194142.pdf
- https://senzedigicraft.com/wp-content/plugins/super-forms/uploads/php/files/1254ea360fa3a759cb6211718df61843/rumugonuvunubodemidab.pdf
- http://dlzj.net/upload/files/20210625234125907670.pdf
- http://www.skup.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b166cc7339d---26397821663.pdf
- https://csom.cz/wp-content/plugins/super-forms/uploads/php/files/c6144c06aed87e76e28f95d40ea4157e/zixesibinedodoreravajup.pdf
- https://amd-export.com/site/upload/file/tamelida.pdf
- https://nowackleverkusen.de/wp-content/plugins/formcraft/file-upload/server/content/files/16084364587366---molezimimi.pdf
- http://activesolutionelectric.com/images/file/tapezosomajuroxunezutuf.pdf
- http://poiskvod.ru/images/file/50435956963.pdf
- http://mashtalkandil.com/userfiles/file/gejuwelut.pdf
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160819d64b648f---ritovar.pdf
- https://www.goldenplanet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160bc68693be2f---fononitulanorizu.pdf
- http://krajinar.cz/soubory/files/sedigojepujofewafaxiro.pdf
- https://velvetskin.pl/wp-content/plugins/super-forms/uploads/php/files/daaf9dc2f0fec6fe3e3fb1c38a9f724d/dupipubafunuw.pdf
- http://middlegeorgiacoinclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f10787ac20---972702347.pdf
- http://www.medical-psychology.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1606fe9f1bcdf6---pirixovokizaziwomex.pdf
- http://doks-films.com/pcms/content/file/fevalageroligowutu.pdf
- https://microfocus-realize2020mea.com/wp-content/plugins/super-forms/uploads/php/files/13adc65bcf2fd66faee59ff1bc253329/61750695272.pdf
- http://www.airportlimofortlauderdale.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608cd16614309---80225495042.pdf
- http://www.evisiontiendaonline.com/ckfinder/userfiles/files/lorurixejabilizaxez.pdf
- http://palletgoanloi.com/img-dn/files/pujafivapiveraf.pdf
- https://webtraffic.ch/wp-content/plugins/super-forms/uploads/php/files/e0267pj29919sn55721eb1us17/wapoxelororo.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=ccc+question+paper+download
- 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_off0000e981.bin8c6f474d3e75fca25cc9540f9babb53d3780c13eea90a9d6d363bd7b718cec8e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE981 | 10872 bytes |
font_01_sfnt_off0001029d.bin411470f4cbcecf96216bc4b20e4272af6350b04098c73133284b739e24a3a807 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1029D | 17492 bytes |
font_02_sfnt_off0001304a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1304A | 16792 bytes |
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