MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains a large number of external links, many of which point to compromised CMS upload directories. The ML classifier and ClamAV both flagged this file as malicious, indicating a high likelihood of it being used for phishing or distributing further malware. The embedded URLs suggest an attempt to lure users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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 https://pistant.ru/uplcv?utm_term=how+to+train+an+australian+shepherd+puppy
- https://greenturtleproductions.com.au/wp-content/plugins/super-forms/uploads/php/files/98c4c1cb6acfcc8e507b49b29a48119a/xeraxesezibajepipa.pdf
- http://oinworkshop.com/clients/6/6d/6d9161a7191ba42f41383a85782e2f4f/File/kepenamewanizuxinaliwiw.pdf
- https://lakecountyoralsurgery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f41d9aca450---42919435760.pdf
- http://jnnycc.org/userfiles/file/witutuxuro.pdf
- http://erfolgsapp.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607604ad27115---84517243717.pdf
- http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a6cb5486455---jadijuneletexegalesoroser.pdf
- http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/513375b9587ecee22f3d1b76f93c5c86/85372465119.pdf
- http://www.moteco.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160964be066780---59983091867.pdf
- https://svingenieria.cl/userfiles/file/lijozewav.pdf
- http://exdebt.bg/userfiles/file/59201950851.pdf
- http://windowsplusllc.com/ckfinder/userfiles/files/70496929086.pdf
- http://rilta.net/userfiles/files/19135042444.pdf
- https://ferado.vn/userfiles/file/95072220348.pdf
- http://a-swiss.com/upload/userfiles/file/74485236343.pdf
- http://yamamatoen-wanwan.jp/ckfinder/userfiles/files/97973873972.pdf
- http://www.donboscovizag.org/images/files/15546432680.pdf
- http://laptopcuhaiphong.vn/upload/files/lijifavigapenugit.pdf
- https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099e2909aa53---fukojizuwejasu.pdf
- http://mouaumfb.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c0257c1a22---bogobifonuneribirow.pdf
- https://ensasoft.com.tr/wp-content/plugins/super-forms/uploads/php/files/r93dh46spmtdfjhp060j9imup6/rovanodowulapogit.pdf
- http://ilkemymm.com/image/files/fimenojebonupewujomarul.pdf
- http://andrelandberg.com/userfiles/file/21921763390.pdf
- https://www.harnoordesigns.com/wp-content/plugins/super-forms/uploads/php/files/436kmpsgum4kqdnihje21k6c40/vukipejomipafazomosetafos.pdf
- http://capmar.eu/userfiles/file/zurosefuperimoxi.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_off0000f690.bin2266be29b967da93ed11086c9296e468627f3a56ca62fb0fe8f01823863a7341 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF690 | 16468 bytes |
font_01_sfnt_off000120e0.binbcd1eba34067470a4cbd85690547ae6790c4c69697c779d56edebca5ee2726e0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120E0 | 10780 bytes |
font_02_sfnt_off000139a5.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x139A5 | 16792 bytes |
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