MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and by an ML classifier, indicating malicious intent. It contains numerous embedded URLs that form a link farm, with several pointing to compromised WordPress sites or disposable hosting, suggesting a phishing or malware distribution scheme. The document body is heavily obfuscated and unreadable, providing no direct content clues.
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://coretry.ru/uplcv?utm_term=aiscore+apk+mod PDF link annotation
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/16134dd6887118---15654595457.pdfIn PDF document text
- http://britishcytology.org.uk/ckfinder/userfiles/files/24030387787.pdfIn PDF document text
- https://nhatngudongkinh.com/upload/ckupload/files/70053313746.pdfIn PDF document text
- http://kkagro.com/media/images/upload/file/logunexalimep.pdfIn PDF document text
- https://homeuu.biz/upload/ckeditor/pages/files/71224854074.pdfIn PDF document text
- http://jia-longsofa.com/uploadpic/jialong151126/files/202109070455022024.pdfIn PDF document text
- http://tachikawa-derma.biz/ckfinder/userfiles/files/89514408432.pdfIn PDF document text
- http://bouwbedrijfansing.nl/userfiles/file/36791912870.pdfIn PDF document text
- https://cradlegold.com/wp-content/plugins/super-forms/uploads/php/files/4jttgk31fahkipnhc4gina4bkc/65052300000.pdfIn PDF document text
- https://bursakaynak.net/userfiles/file/43153452710.pdfIn PDF document text
- https://www.thecandystoresudbury.com/wp-content/plugins/super-forms/uploads/php/files/dhkhabqs3upf9mos0j8924fhh0/dares.pdfIn PDF document text
- http://brunagabriele.it/userfiles/files/lelaziweruzinitebi.pdfIn PDF document text
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/1613d586e2e803---95622345241.pdfIn PDF document text
- http://bigbulkbags.ahmadpackages.com/survey/userfiles/files/96726667923.pdfIn PDF document text
- http://ad.ditroinfotech.com/laportal/ckeditor-ckfinder-integration/uploads/files/56335830791.pdfIn PDF document text
- https://rieker-consulting.eu/files/file/xubitivow.pdfIn PDF document text
- https://ecoinkworld.com/wp-content/plugins/super-forms/uploads/php/files/b306b7dd9beb8878ced329d3feb041b8/94159724069.pdfIn PDF document text
- http://schubert-hh.de/image/file/jonigopexabopomilogulupu.pdfIn PDF document text
- http://computer-rudolstadt.de/upload/file/96169254107.pdfIn PDF document text
- http://vakantie-noordlimburg.nl/ckfinder/userfiles/files/30145149427.pdfIn PDF document text
- http://morecoredesign.com/images/imageUps/files/xokolepi.pdfIn PDF document text
- https://lostsoulsmemorialnj.org/wp-content/plugins/super-forms/uploads/php/files/844edc8be55524b4f8fd5649fad1681b/41469437737.pdfIn PDF document text
- http://vekosgroup.ru/userfiles/file/wetox.pdfIn PDF document text
- http://sportservistocik.cz/UserFiles/File/xamezosogowowukapaluk.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_off0000be84.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBE84 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d69b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD69B | 10500 bytes |
SHA-256: 1bc7040aa85b830105d378eacedee0dfbd5de67332caa4d8ccd33a813a5bc021 |
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font_02_sfnt_off0000ee81.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE81 | 17284 bytes |
SHA-256: 598832169826af86e6a523ab293dd0c54927afaca536313a03fabbca898e5b03 |
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