MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous external links, many hosted on disposable domains or compromised WordPress sites, indicative of a link farm. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution. The presence of 'utm_term' in one URL suggests tracking or redirection, further supporting a lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://queure.ru/uplcv?utm_term=russian+army+ranks+ww2 PDF link annotation
- http://pomodorolennep.de/gfx/userfiles/files/59602119923.pdfIn PDF document text
- https://braveathlete.net/geektic/files/57182392887.pdfIn PDF document text
- http://levant-tekstil.com/other_files/File/13718804368.pdfIn PDF document text
- http://abwlargo.com/uploads/files/zoxofegijaj.pdfIn PDF document text
- https://gkscam.com/userfiles/file/digetofelevidopeledowur.pdfIn PDF document text
- https://www.sterlingsez.com/ckfinder/userfiles/files/48466999113.pdfIn PDF document text
- https://ribaczpeter.hu/files/file/6260306199.pdfIn PDF document text
- https://dom4m.by/userfiles/files/wobejiti.pdfIn PDF document text
- https://astefin.ro/ckfinder/userfiles/files/pesevesop.pdfIn PDF document text
- http://123flower.doweb.kr/upload/files/kuradidakixisigosakize.pdfIn PDF document text
- http://mamaskitchenorder.com/uploads/files/mokiluvitizabukosadarofad.pdfIn PDF document text
- http://sjhtractor.com/d/files/15663733376.pdfIn PDF document text
- http://thegioimercedes.com/upload/files/44500091147.pdfIn PDF document text
- http://moyamoya.center/images/hand_uploaded/files/futosenoramosotodatu.pdfIn PDF document text
- https://mercedesmazo.es/wp-content/plugins/formcraft/file-upload/server/content/files/16140e89ea2a30---vezasatow.pdfIn PDF document text
- http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/meenbf1geuddksvhq8nea3c4m6/30608712468.pdfIn PDF document text
- http://blueleaves.ru/userfiles/file/bewugowadu.pdfIn PDF document text
- http://klick-tipp.info/ckfinder/userfiles/publics/files/kirabegujinira.pdfIn PDF document text
- http://architects-desk.com/uploadsfile/91718483890.pdfIn PDF document text
- https://pasarantogel2.com/contents/files/keberigizixajurofejumufal.pdfIn PDF document text
- http://primaria-ciocirlia.ro/media/file/40639580432.pdfIn PDF document text
- http://prtourusa.com/FileData/ckfinder/files/20210905_A4F93AD19E918D47.pdfIn PDF document text
- https://www.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135f38583494---parasejonetove.pdfIn PDF document text
- http://iproperty.ae/userfiles/file/lopuvinagika.pdfIn PDF document text
- http://apluskleaning.com/admin/images/file/82299923201.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_off0000ca20.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA20 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e232.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE232 | 18444 bytes |
SHA-256: 10f7bf97a6758e6681b1e71dcb541161f13cacd4eced86cae75c1fed1d01a927 |
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font_02_sfnt_off000111c3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111C3 | 10432 bytes |
SHA-256: ac4f395a919358810335b3ef0f4b17d4f6a852069d6209eeef4d4aa1b33c4714 |
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