MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links pointing to external websites, many of which are hosted on compromised WordPress installations or disposable domains, suggesting a phishing or malware distribution campaign. The presence of PDF-specific heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' further supports this. No scripts were extracted, but the document's structure and embedded URLs are indicative of a lure to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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://huntic.ru/uplcv?utm_term=adobe+genuine+software+integrity+service PDF link annotation
- https://tepihtrava.rs//files/5508627379.pdfIn PDF document text
- https://mimpishio2bet.com/contents//files/zepebod.pdfIn PDF document text
- http://www.alwaysflorida.com/wp-content/plugins/formcraft/file-upload/server/content/files/160999fabd8e74---39474251453.pdfIn PDF document text
- https://www.sixteengrams.com/wp-content/plugins/super-forms/uploads/php/files/b21t3onesvp9ovi82n144897gv/mewarewebejusifojeganumo.pdfIn PDF document text
- https://www.plsok.com/wp-content/plugins/super-forms/uploads/php/files/bae06a0b9f53663e36cd0c64549248c6/guzixuburuluwofiv.pdfIn PDF document text
- http://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fe5b00d431---4211594886.pdfIn PDF document text
- https://dcoderesearch.com/uploads/neworapeg.pdfIn PDF document text
- https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609306e0507d0---26222879749.pdfIn PDF document text
- https://grand-forge.ru/wp-content/plugins/super-forms/uploads/php/files/1665651c81a3156748c4d1f80a32c9ba/40964394147.pdfIn PDF document text
- https://lynnesnaturaltreats.com.au/wp-content/plugins/super-forms/uploads/php/files/9ff7a1df18b4d5ab3e519cb458be940c/kemipokizajedonijabo.pdfIn PDF document text
- http://drukarnia-skawina.pl/app/webroot/media/files/xifozidejuroko.pdfIn PDF document text
- http://qhzs88.com/admin/fckeditor_upfiles/file/2021060413052380554.pdfIn PDF document text
- https://oversaslogistica.it/file/kopenoliladixegu.pdfIn PDF document text
- https://computerzone.pk/file/gatudozaketirumov.pdfIn PDF document text
- http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160a2f5541fd49---fidexopuses.pdfIn PDF document text
- http://mail-ex.net/userfiles/file/51297419261.pdfIn PDF document text
- http://orchid-daikanyama.com/userfiles/file/93740448477.pdfIn PDF document text
- http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160add86178ee0---pozolupitimipaxegu.pdfIn PDF document text
- http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ee4a8447bc---nulagunexirilisudozira.pdfIn PDF document text
- https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608ad24b78fee---31810808531.pdfIn PDF document text
- https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160beff62e39d8.pdfIn PDF document text
- http://www.northeastmarquees.com/wp-content/plugins/super-forms/uploads/php/files/660dccd4ec0974bff88da536c1fa923a/sibeseguk.pdfIn PDF document text
- http://geometrabottero.it/userfiles/files/20423684608.pdfIn PDF document text
- http://heureka-cz.eu/files/gutimatulibof.pdfIn PDF document text
- http://agama-rc.com/upload/files/4460614205.pdfIn PDF document text
- http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608668e154390---20588888597.pdfIn PDF document text
- http://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6d06ebb4e7---51471605289.pdfIn PDF document text
- 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_off0000f418.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF418 | 11092 bytes |
SHA-256: 2677d9f2c7bcbd13ec9228bf6c7ac5317cbaa076fe110f6c954a88acec53ef7d |
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font_01_sfnt_off00010e0b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E0B | 16676 bytes |
SHA-256: 3932429646624a3ac7ad566ab8e51a1db0373178b6a376c2d0d9fbe6c362d1db |
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font_02_sfnt_off0001395d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1395D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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