MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by multiple heuristics as a link farm, with several URLs pointing to compromised CMS uploads and disposable hosting. The ML classifier and ClamAV also identified it as malicious, likely a phishing or malware distribution lure. No scripts were extracted, but the structure suggests it's designed to redirect users to external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
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://ptairsupply.com/userfiles/file/92130928103.pdf In PDF document text
- https://frennphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141e4640c6bf---vulawewuv.pdfIn PDF document text
- http://www.horakgolf.cz/ckfinder/userfiles/files/salibofeberiwanuledulawaj.pdfIn PDF document text
- http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/1613b2ad193459---vasamak.pdfIn PDF document text
- https://clickbox.ro/images/file/84847754696.pdfIn PDF document text
- http://turystyka.powiatlubartowski.pl/admin/ckfinder/userfiles/files/wuguluzusuvelanetuxowore.pdfIn PDF document text
- http://infoegrafica.com/userfiles/files/76189724020.pdfIn PDF document text
- http://redeyeldn.com/userfiles/file/11579475201.pdfIn PDF document text
- https://royal-art.pl/uploads/userfiles/files/kepoledom.pdfIn PDF document text
- http://shahnawazonline.com/uploads/files/81567635622.pdfIn PDF document text
- https://venefoil.com/ckfinder/userfiles/files/73445006680.pdfIn PDF document text
- http://cabini.it/userfiles/files/19746590368.pdfIn PDF document text
- http://www.predia.cz/userfiles/file/46503398276.pdfIn PDF document text
- http://kibbkw.com/uploads/file/32086599156.pdfIn PDF document text
- https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fd8eda1f62---jarapafadudubiripagak.pdfIn PDF document text
- https://saikekanglun.com/filespath/files/20210912195154.pdfIn PDF document text
- https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/cffe7de00fc99c98d34dd36d404c19b8/woworen.pdfIn PDF document text
- http://tianlanip.com/filespath/files/20210912171745.pdfIn PDF document text
- http://koryosushi.com/uploads/files/83761108922.pdfIn PDF document text
- https://www.azulejositurry.com/wp-content/plugins/super-forms/uploads/php/files/jsmhpftbc51skhb0l7gj1hrmo3/lomalu.pdfIn PDF document text
- http://villkasz.hu/editor_up/kumesakowenepiraja.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=seven+letter+word+beginning+with+cPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000dd42.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD42 | 18452 bytes |
SHA-256: 0bc05598a6a02018ecc80698f69eb7265000b5893e37c79162e95c302d1500bf |
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font_01_sfnt_off00010cfd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CFD | 10684 bytes |
SHA-256: cc1ac0eee33d2afcfb4332e7b6580ac68f245f110cffc52fc3e5fe25fb63f044 |
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font_02_sfnt_off00012543.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12543 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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