MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to multiple external websites, some hosted on compromised CMS uploads. The presence of numerous unknown URLs suggests a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9932
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=pst+to+mbox+converter+for+mac
- https://solarconsulting.org/wp-content/plugins/super-forms/uploads/php/files/8eb40d40ea719d2fd1c7b858cd9ce28c/xolofiwesesedefi.pdf
- http://cukiernia-waltar.pl/qcms/userfiles/file/nojetiki.pdf
- https://prana.video/wp-content/plugins/super-forms/uploads/php/files/8oh0j86oma8kls17i8ugnma4hu/fuziso.pdf
- https://veglifekc.org/wp-content/plugins/super-forms/uploads/php/files//63356611088.pdf
- https://bikidi.com/UpFiles/WebEditorFiles/file/xogezufipikuguku.pdf
- http://puzynowska-kancelaria.com/userfiles/file/sugiwudugodogito.pdf
- https://xn--z4qq44i.xn--kpry57d/upload/actfiles/besejasifipotajivow.pdf
- https://synersys.fr/contenu/file/76341205329.pdf
- https://fellowpeo.com/wp-content/plugins/super-forms/uploads/php/files/c644439408e15ac437419142d956779f/jabutefufutadixu.pdf
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/160bd727a8867b---24775393836.pdf
- https://purpleleafestatebuyers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e67692df17---goranu.pdf
- http://hillcresthigh1971.com/clients/9/9f/9fbf9047a6869172a982db6f42f05a9a/File/42411148003.pdf
- https://ivfnna.gr/wp-content/plugins/super-forms/uploads/php/files/0a45ad8f36fc236fe8186abd58b423fe/girisoju.pdf
- https://mymovingestimate.com/wp-content/plugins/super-forms/uploads/php/files/9b838775c6bb1e29e20e128d461228a9/gavodokipafevotawowefo.pdf
- http://al-bandak.com/userfiles/file/rekaga.pdf
- http://hncastlecable.com/d/files/purepoxo.pdf
- http://richmore.kr/uploadfile/fckeditor/file/silikebekukenuzusowemid.pdf
- http://easyreturn.store/userfiles/file/tematixakulezitixepedagif.pdf
- https://selectwifi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608cb50543e25---59249310922.pdf
- http://ankurgroups.com/userfiles/file/lefikanekuvumam.pdf
- https://lensprovn.com/ckfinder/userfiles/files/31151056015.pdf
- http://shriadinathbank.com/uploads/jizuduxubizesazebasotas.pdf
- https://www.getfitcrew.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098832263511---kugonepako.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e6dd.bin9f3a2028cf6260124292e5fa83da5b76954de27ab3733fe43cc1b7c017b68b77 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6DD | 10668 bytes |
font_01_sfnt_off0000ff6f.bin0344234f89de7c0898e3d96c030199bf533397be852dbc9a79fda1de132ab666 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF6F | 17340 bytes |
font_02_sfnt_off00012d0e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D0E | 16792 bytes |
font_03_sfnt_off0001451f.bin7d15b2d6d265aaca51dda18faee70a1b8fa9d95ed54cb111fb0895789092f9ae |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1451F | 16312 bytes |
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