MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs that form a link farm, pointing to compromised websites and disposable hosting. The primary purpose appears to be redirecting users to potentially malicious content, consistent with phishing or malware distribution tactics.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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://laborke.ru/uplcv?utm_term=what+happens+when+you+block+a+number+on+android PDF link annotation
- http://zrdb-drogbud.pl/Upload/file/kafas.pdfIn PDF document text
- https://habibitours.net/ckfinder/userfiles/files/44500190287.pdfIn PDF document text
- http://kimhoatra.vn/upload/fckimagesfile/mipojiloxexosix.pdfIn PDF document text
- https://tolgyesvolgy.hu/userfiles/file/bimaket.pdfIn PDF document text
- http://bergfin.se/wp-content/plugins/formcraft/file-upload/server/content/files/16132ec4c5ccd0---67955373505.pdfIn PDF document text
- http://aptekarynek.pl/zdjecia/fck/file/jinopadegujagadiwewemanil.pdfIn PDF document text
- https://madspot.dk/ckfinder/userfiles/files/12241444811.pdfIn PDF document text
- https://www.lokalesichtbarkeit.de/wp-content/plugins/super-forms/uploads/php/files/vqc7hb227vd56bjjaj51g7acbs/14029730755.pdfIn PDF document text
- https://solarconsulting.org/wp-content/plugins/super-forms/uploads/php/files/8e320706ef51a2945ccd884bc2992edc/48791105252.pdfIn PDF document text
- http://julianina.de/upload/file/farunoko.pdfIn PDF document text
- https://luxurytravel-show.com/wp-content/plugins/super-forms/uploads/php/files/4ed93a1912ba2857ddbdd2c5e69f0569/juwafenukimimi.pdfIn PDF document text
- https://pikewallis.no/wp-content/plugins/formcraft/file-upload/server/content/files/1613c3f55d6d0c---powogibujadeporanunisal.pdfIn PDF document text
- http://yonseri.org/userfiles/files/jafajojek.pdfIn PDF document text
- http://sinostandards.net/upload/files/67990253378.pdfIn PDF document text
- https://tsegypt.com/file/jaziferatolonaxuribijesa.pdfIn PDF document text
- http://sunriverps.com/data/editor/file/54256583635.pdfIn PDF document text
- http://gaia-onlus.org/userfiles/file/64752614234.pdfIn PDF document text
- http://popnmusic.fr/userfiles/file/42773924286.pdfIn PDF document text
- http://montpellier-businessplan.fr/mbp/upload/images/images/upload/ckfinder/dategutopovudugifasanutis.pdfIn PDF document text
- http://land89.com/ckupload/files/55848430365.pdfIn PDF document text
- https://pemaboutiquehotel.com/assets/userfiles/files/vujexakudetugimuwuz.pdfIn PDF document text
- http://tctrack.vn/images/newtech/files/42515213182.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_off0000e544.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE544 | 18440 bytes |
SHA-256: 6c6ab53373ad272ef9c80b9e5ffd5c3f5f2b22eb356e6467ecb7218555d089f4 |
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font_01_sfnt_off000114ec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x114EC | 11304 bytes |
SHA-256: 1563319dc85f33f69a4c26e70cb2721b4439b57efbdd397f832a7409c330ee5c |
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font_02_sfnt_off00012f20.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F20 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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