MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous external links, many of which point to compromised or disposable domains, indicating a link farm designed to lure users to malicious websites. ClamAV detected this file as Pdf.Phishing.Trojan, and a machine learning classifier also flagged it as malicious with high confidence. The presence of multiple external URIs and compromised CMS upload links strongly suggests a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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://catamma.ru/uplcv?utm_term=every+muscle+group PDF link annotation
- https://waxparadise.pl/userfiles/file/80582255495.pdfIn PDF document text
- https://almavilag.hu/files/files/80448724627.pdfIn PDF document text
- https://inchiriereelicoptere.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1612f3c078f052---8600175139.pdfIn PDF document text
- http://csaladiegyteruautok.hu/userfiles/files/4592177831.pdfIn PDF document text
- http://brodart01.com/wp-content/plugins/super-forms/uploads/php/files/t0878f3v1qtnbqtiaoee89hck3/labadovoxasiluruporofanax.pdfIn PDF document text
- http://gabinetpro.gabinetpro.pl/kosmetyczka/krakow/files/43316680776.pdfIn PDF document text
- http://gesht.ru/admin/ckfinder/userfiles/files/84926297066.pdfIn PDF document text
- http://atenngo.com/admin/sites/site/documents/47751821759.pdfIn PDF document text
- https://minlinart.com/archive/upload/files/55696162131.pdfIn PDF document text
- http://pnalog.ru/images/file/54431908645.pdfIn PDF document text
- http://yugreat.com/filespath/files/20210901112547.pdfIn PDF document text
- http://clair-environnement.eu/catalogue_dynamique/file/werajomibumoden.pdfIn PDF document text
- https://estduquebec.com/scripts/php/xenocode/lib/ckfinder/userfiles/files/57982358438.pdfIn PDF document text
- http://greensquares.in/userfiles/file///55100961686.pdfIn PDF document text
- http://thenext.pk/userfiles/files/93451386116.pdfIn PDF document text
- https://thefertilizergranulators.com/d/files/zazowojekomuda.pdfIn PDF document text
- https://baconbites.com/wp-content/plugins/super-forms/uploads/php/files/vhgb39libd8rb1a82ptih247s4/jumizoxaluxokasikitogorek.pdfIn PDF document text
- https://tutorbolivia.com/userfiles/file/guvudulajovakipupowad.pdfIn PDF document text
- http://schokoladenfontaene.de/idata/60485372046.pdfIn PDF document text
- http://klick-tipp.at/ckfinder/userfiles/publics/files/kaxidakuxezuk.pdfIn PDF document text
- https://luminex.pl/upload/file/622519072.pdfIn PDF document text
- https://comfort8889.com/upload/files/xubujonofurorikaf.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_off0000cfd4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCFD4 | 16748 bytes |
SHA-256: bb7b5262f424467f96da43706cb31b32e0327472a0ad95ebd6bc596432a5a2ef |
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font_01_sfnt_off0000faf1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAF1 | 10524 bytes |
SHA-256: b7c8774f27d8356478e66f9df91c87ac0fe1b4808f2886fb3349ea9dc839807f |
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font_02_sfnt_off000112fe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112FE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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