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 indicate it functions as a link farm, directing users to potentially compromised websites or download pages, such as one offering 'grand theft auto v premium online edition free download'. The PDF structure and embedded URLs suggest it is used as a lure for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://oniceh.ru/uplcv?utm_term=grand+theft+auto+v+premium+online+edition+free+download
- http://ajk-opakowania.eu/upload/fck/file/loparazupisi.pdf
- https://avis-medical.ma/wp-content/plugins/super-forms/uploads/php/files/dfaf1c8d961d04ab95e0ee84577718ca/71193372266.pdf
- https://charlesstreetvideo.com/userfiles/file/30920977116.pdf
- https://birudongker.com/contents/files/77414910980.pdf
- http://vetcasatenovo.it/userfiles/files/57754266707.pdf
- http://proleague.dk/userfiles/file/49360115636.pdf
- https://rusepress.com/uploads/wysiwyg/files/98560408935.pdf
- https://markaoyun.com/calisma2/files/uploads/53685349128.pdf
- http://esipro.fr/userfiles/file/35486885083.pdf
- http://an-ocn.ru/ckfinder/userfiles/files/96722186996.pdf
- http://erex.hu/upload/file/gaketofezurunazupadego.pdf
- https://bruceautoservice.com/files/file/41755034504.pdf
- http://fc-junajted.com/upload/datoteke/34709941051.pdf
- http://bigbulkbags.ahmadpackages.com/survey/userfiles/files/nemaneza.pdf
- https://abisspaandboutique.com/nbloom/fckuploads/file/35875751912.pdf
- https://vinadesigndanang.vn/uploads/image/files/13826532151.pdf
- http://gz-theoutfit.com/UploadFiles/FCKeditor/20210924040208.pdf
- http://canadanur.com/resimler/files/gawufowinigedexamow.pdf
- https://xtremefitness.com.au/application/third_party/ckfinder/userfiles/files/xejuwivujevifo.pdf
- https://nbc.com.vn/ckfinder/userfiles/files/11409378876.pdf
- http://www.ufolep-69.com/contenus/files/2617217310.pdf
- https://loan-financial.com/wp-content/plugins/super-forms/uploads/php/files/6c181361c8307435c639e65e4e1e09fc/20880502011.pdf
- http://nousgarage.com/userfiles/file/fawetuziji.pdf
- https://glasschneider.koeln/wp-content/plugins/super-forms/uploads/php/files/kk4khgbbnimrnsu3lhdub4ks8f/fivarasusipituzo.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_off0000b0b6.bin57dd157aee55401799148e34ce2028fff88d9ccc7cb01b550c307202caba2b63 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB0B6 | 15216 bytes |
font_01_sfnt_off0000d70f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD70F | 16792 bytes |
font_02_sfnt_off0000ef26.bindb757256d7f3cb9338a54815dfc465992ae59691b305e74a27056bbb8b801adc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF26 | 10884 bytes |
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