MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with many URLs pointing to compromised CMS uploads or disposable hosting, suggesting a phishing or SEO poisoning campaign. The document body is heavily obfuscated and unreadable, providing no direct user-facing content but reinforcing the suspicious nature of the file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://www.alignerco.ca/wp-content/plugins/super-forms/uploads/php/files/fb3af4174c7d07b6aeef90ce46e31b0e/lisewip.pdf
- https://an-professional.ru/img/files/file/ralexilop.pdf
- https://mahae.hu/files/files/bepatagavanil.pdf
- https://brylka-kfz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160e013059e8cb---bifegomirutodavul.pdf
- https://mariapolis.net/ckfinder/userfiles/files/65239616583.pdf
- http://facilitymanagementassociates.com/survey/userfiles/files/83172807089.pdf
- http://www.pointcookelectrician.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1610fb9a2c8fd4---56028804945.pdf
- https://areicon.com/images/file/dijesurobugefowovam.pdf
- https://valleyrentals.com/userfiles/file/watoganajefi.pdf
- http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c5631c612d---53505784640.pdf
- https://accu-split.com/userfiles/files/16467308185.pdf
- https://faceless.me/userfiles/files/10777693058.pdf
- http://nhac.ditimchanly.org/Images_upload/files/61284046415.pdf
- https://admonks.ru/wp-content/plugins/super-forms/uploads/php/files/078adbca11c2d095685488aa23802345/86302481323.pdf
- https://www.themeshcowork.com/wp-content/plugins/super-forms/uploads/php/files/179e6e6ad0f5cadaa08bbd4e78bdc272/zisejesas.pdf
- https://greyquotient.com/wp-content/plugins/super-forms/uploads/php/files/5afdfc0d7ad3ae865d791617108da841/tefimefanokafijito.pdf
- http://alexlunacoach.com/img/editor/file/nofazeto.pdf
- https://www.chortho.co.uk/wp-content/plugins/super-forms/uploads/php/files/e10udbtg0u45v087pg65bde0qd/57213663879.pdf
- http://westpakusa.com/phpsites/vertical_living/uploads/file/21161703920.pdf
- http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160b5e4ed763de---detamawulukazotumokujif.pdf
- http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b73eeca0ef5---zamutep.pdf
- https://innovativallatgyogyszer.hu/fileok/file/jigumatigafewaxofiro.pdf
- https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa3ae6c18d4---ropavesupujarilomatunar.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=different+figures+of+speech+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_off0000e1da.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1DA | 16792 bytes |
font_01_sfnt_off0000f9f1.bind69b0a44f57804937661b1031e35d99e442827006b6412bf46f1cb38728182e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9F1 | 10792 bytes |
font_02_sfnt_off00011285.bin76cac6ae715e0d852d46c39245830e7abea0b77446fdc2801dddfb69d6aff3de |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11285 | 16864 bytes |
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