MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by multiple heuristics and an ML classifier, with ClamAV detecting it as a phishing trojan. It contains numerous embedded URLs pointing to potentially compromised websites and disposable hosting, suggesting a phishing or malware distribution scheme. Although no scripts were explicitly extracted, the PDF structure and embedded URIs indicate an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://ketchas.ru/uplcv?utm_term=diploma+maths+book+pdf PDF link annotation
- http://belniig.by/public/file/62607025768.pdfIn PDF document text
- https://dongytueduc.com/wp-content/plugins/super-forms/uploads/php/files/sackc3rkibd8algo86rbn1be8h/74369491850.pdfIn PDF document text
- https://ruedi-leuthold.com/userfiles/files/wapoli.pdfIn PDF document text
- http://chipublichouse.com/ckfinder/userfiles/files/67218737475.pdfIn PDF document text
- https://singhaniabrothersltd.com/ckeditor/ckfinder/userfiles/files/rimojofipezolobopo.pdfIn PDF document text
- http://agrobud.net/uploaded/file/3650146949.pdfIn PDF document text
- http://www.smwiarus.pl/ckfinder/userfiles/files/93991017189.pdfIn PDF document text
- http://ebd.su/UFD/7623/files/kiraxagarir.pdfIn PDF document text
- http://fandimnarodaku.cz/upload/file/bakafumebegima.pdfIn PDF document text
- https://aymexco.eu/ckfinder/userfiles/files/75457304480.pdfIn PDF document text
- https://krygina40.ru/UserFiles/File/tolezotifamarizutenezide.pdfIn PDF document text
- https://krassimirtaskov.com/userfiles/files/pitixaxarosokoguxez.pdfIn PDF document text
- http://web5gstore.com/Files/files/14033795935.pdfIn PDF document text
- https://protradingindia.net/userfiles/file/82034641723.pdfIn PDF document text
- http://maudchristan.nl/ckfinder/userfiles/files/wugijimuxafimoku.pdfIn PDF document text
- https://baconbites.com/wp-content/plugins/super-forms/uploads/php/files/0495q14dlqm4mgaki5bd6edoh1/sizeji.pdfIn PDF document text
- http://vngo-cc.vn/cooker/public/files/52527444924.pdfIn PDF document text
- https://johanbjerke.se/userfiles/file/dekunukanaretafevefi.pdfIn PDF document text
- https://stpm-sa.com/userfiles/file/53965692996.pdfIn PDF document text
- http://www.itbaloch.com/wp-content/plugins/formcraft/file-upload/server/content/files/16145fe7805ef7---figipulume.pdfIn PDF document text
- http://siangyun.com/upfiles/editor/files/93654474510.pdfIn PDF document text
- https://salondumariagededijon.com/userfiles/file/46140881555.pdfIn PDF document text
- http://louisefarmersmith.com/admin/ckeditor/ckfinder/userfiles/files/vofapexotekovexosaxafurid.pdfIn PDF document text
- http://khodahoanglang.com/admin/webroot/upload/image/files/wudoxezebexej.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_off0000d105.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD105 | 10660 bytes |
SHA-256: 9fc87b7b475fd8434d3abe16a47ed92547dfa4e87d5d28774b04f6e6cc1c36ff |
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font_01_sfnt_off0000e92d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE92D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001013f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1013F | 16468 bytes |
SHA-256: bfc56a438fa0cc33601c07fbcb1ae8af0b50347b9348648a6d001dfb22dd6d2f |
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