MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many hosted on compromised WordPress sites, suggesting a link farm or phishing lure. The PDF structure and embedded links are consistent with attempts to redirect users to malicious content or download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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://wastran.ru/uplcv?utm_term=chrome+incognito+mobile PDF link annotation
- https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/53a8fb8a7bfce50f8ab58ad8cebdd34a/61851035111.pdfIn PDF document text
- https://portugaliaimagyarok.com/ckfinder/userfiles/files/befewalegekogetadefubened.pdfIn PDF document text
- https://truckforceone.eu/upload/editor/file/gapetirawaxakepivowefuzu.pdfIn PDF document text
- https://www.isnb.co.uk/wp-content/plugins/super-forms/uploads/php/files/2ca7d4cc0354365a25b9061cd8a1d566/geritazogekijasusiwoviga.pdfIn PDF document text
- http://xn--b1adrijbbb.xn--p1ai/upload_picture/51664091914.pdfIn PDF document text
- http://cdenito.net/userfiles/file/dakimarunosixosagodiker.pdfIn PDF document text
- https://vokalensemble-vocembalo.ch/userfiles/file/mobojomisijalalopafilo.pdfIn PDF document text
- http://itps-group.com/uploadfiles/file/wisirabigegifufeni.pdfIn PDF document text
- http://modernplating.com/userfiles/file/gutufowal.pdfIn PDF document text
- http://christopherdallo.com/file/43019478418.pdfIn PDF document text
- https://www.hkha.org/ckfinder/userfiles/files/ropixinakomebanazajufupa.pdfIn PDF document text
- http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/161480529c183f---puxinakefabamaja.pdfIn PDF document text
- http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/16143d81716597---2042807127.pdfIn PDF document text
- http://probeg2000.ru/files/userfiles/files/sisasenunafezerojijexem.pdfIn PDF document text
- http://bright-mineral.com/uploadfile/file/2021092700060936.pdfIn PDF document text
- http://www.nandomoraes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161470a0f70d34---guluxemexufunijofizorijad.pdfIn PDF document text
- https://canoe.ro/Extras/ckfinder/userfiles/files/32088191300.pdfIn PDF document text
- https://chameleoncoupons.com/adgprocessing/uploads/files/tiwifuwose.pdfIn PDF document text
- http://alpes-maritimes.proximeo.com/ckfinder/userfiles/files/zivuniloponizuvekefoz.pdfIn PDF document text
- https://eric-parnes.shortex.com/ckfinder/userfiles/files/napomugetakefasosimi.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_off0000ac58.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAC58 | 15452 bytes |
SHA-256: 648e90bcadbff061c0d2b971f9b3e747df1a503afb6a7682be38a0406b3a54d0 |
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font_01_sfnt_off0000d3c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD3C4 | 10516 bytes |
SHA-256: bedb8d2f4722e3105368992cb405e08b209df51636bdcb34ca88d60258a5379e |
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font_02_sfnt_off0000eb7e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB7E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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