MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous external URIs and link farms pointing to potentially compromised websites, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The document body is heavily obfuscated and does not provide direct user-facing content, but the heuristics and URLs are sufficient to infer a malicious link farm attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9950
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://huntic.ru/uplcv?utm_term=mobdro+football+live PDF link annotation
- http://lycee-elm.org/userfiles/file/23593312319.pdfIn PDF document text
- https://thuaphatlaihoanghuy.com/uploads/files/53401356168.pdfIn PDF document text
- http://xn--80aiddhbkcq5bcaz.xn--p1ai/upload/files/zilodenekizedazuwa.pdfIn PDF document text
- http://vrieshorst.nl/images/uploads/file/wuduxabupogupexifulerif.pdfIn PDF document text
- http://mayingiabao.com/upload/files/89701674880.pdfIn PDF document text
- http://murito.fr/ckfinder/userfiles/files/rubumurazenojirexefi.pdfIn PDF document text
- https://yifff.se/userfiles/file/xogenof.pdfIn PDF document text
- https://sofanet.ro/ckfinder/userfiles/files/34481829245.pdfIn PDF document text
- http://fusiongrup.ro/userfiles/file/30911011540.pdfIn PDF document text
- http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/161528d1b9710c---87786233359.pdfIn PDF document text
- https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/efc034d538a6024be14d7271b4644f2f/31555937114.pdfIn PDF document text
- https://bandotrading.it/uploads/file/dekijigimigujadulibuk.pdfIn PDF document text
- https://estidevelopers.com/wp-content/plugins/super-forms/uploads/php/files/157e8278bdcbb551156e07f5b9571fa8/gebugodebivanovikolobazan.pdfIn PDF document text
- http://rlangkhan.com/upload/userfiles/files/zafunojesumavupe.pdfIn PDF document text
- https://www.audifonosdoshoydos.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b78e5373d1---33407842981.pdfIn PDF document text
- http://fzsvybbs.at/userfiles/file/mejelutar.pdfIn PDF document text
- http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161493cbc689f9---15973350360.pdfIn PDF document text
- http://kozszemle.hu/uploads/files/79383789878.pdfIn PDF document text
- http://clinicaveterinariagoitese.it/userfiles/files/kaxiwuwedoritepejadilog.pdfIn PDF document text
- http://yourhealthyanswer.com/ckfinder/userfiles/files/25920652237.pdfIn PDF document text
- http://bilcafe.it/userfiles/file/potonador.pdfIn PDF document text
- http://helderlive.nl/ckfinder/userfiles/files/movemifizu.pdfIn PDF document text
- http://balone.net/_upload/file///ripukogatogupide.pdfIn PDF document text
- http://bytip.net/filespath/files/20210927161818.pdfIn PDF document text
- http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/161521132690c2---15095005168.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_off0000b019.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB019 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c82b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC82B | 15752 bytes |
SHA-256: a17176aea592500c80fafa68f026307046ed5db72673807784f7dcda93f1a750 |
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font_02_sfnt_off0000f020.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF020 | 10276 bytes |
SHA-256: 1fb6c6aed5dffa07212e1f73ebf198249939b450f5edd2b8a7455e1da1da2b89 |
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