MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ML classifiers and ClamAV, with heuristics indicating it functions as a link farm. The PDF contains numerous embedded URLs pointing to other PDF files hosted on various domains, suggesting a coordinated effort to distribute content or manipulate search engine results. No scripts were extracted, but the presence of multiple external URIs and the link farm heuristic strongly suggest a phishing or content distribution vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 5
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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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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 http://www.ciesol.com/ckfinder/userfiles/files/432952040.pdf In PDF document text
- http://everest-c.ru/ckfinder/userfiles/files/66309878616.pdfIn PDF document text
- https://kaptenhoki.org/contents/files/najaralukusigat.pdfIn PDF document text
- http://cityclick.it/userfiles/files/9839192315.pdfIn PDF document text
- https://arerp.kr/data/file///jagatilimikuwijip.pdfIn PDF document text
- http://xn--54-dlcdkamdj4btild5b.xn--p1ai/ckfinder/userfiles/files/sunul.pdfIn PDF document text
- http://marcth.pl/media/fck/file/lafosiwubokededejiwefi.pdfIn PDF document text
- https://bharatiyabhashaparishad.org/ckfinder/userfiles/files/lanazadugevurowid.pdfIn PDF document text
- http://somkuthyoptika.hu/editor_up/xusugalozanakopewo.pdfIn PDF document text
- http://gazosilikatnn.ru/uploads/files/perijax.pdfIn PDF document text
- http://billagelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/82540550908.pdfIn PDF document text
- http://e-kva.ru/admin/ckfinder/userfiles/files/78448353703.pdfIn PDF document text
- http://defhjdr.friend-match.com/upload/files/sibavogerigafunijirefazu.pdfIn PDF document text
- http://hide-bo.com/img/tmp/file/wokuzabemojenapisirare.pdfIn PDF document text
- https://www.businesswatchguardingservices.co.uk/wp-content/plugins/super-forms/uploads/php/files/hc3snamdhta3l779itoog28abn/77145962386.pdfIn PDF document text
- https://jbdclothiers.net/emailer/userfiles/file/degigapefab.pdfIn PDF document text
- http://archissimo.eu/userfiles/files/dubujapexumilumel.pdfIn PDF document text
- https://isabellepieman.com/userfiles/file/92813435824.pdfIn PDF document text
- https://viboot.traigiongthuha.com/ckfinder/userfiles/files/sovenaguno.pdfIn PDF document text
- http://feuerwehr-mittenwalde.de/mediathek/files/33482625029.pdfIn PDF document text
- http://www.maderas-navarro.com/ckfinder/userfiles/files/raxozovodurigazarizozej.pdfIn PDF document text
- https://malabarmail.com/ckfinder/userfiles/files/60778595038.pdfIn PDF document text
- https://cedria.es/DOCUMENTS/FotosFCKEditor/file/nosimizeguw.pdfIn PDF document text
- http://ambcavallon.eu/userfiles/files/dofaromoganunajoko.pdfIn PDF document text
- https://sedefartphotography.com/resimler/files/xokatura.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=gold+rate+future+forecastPDF link annotation
- 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_off0000b1f7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB1F7 | 16760 bytes |
SHA-256: 7100c34d6905be4efce801becebcdcc0a982efc1bbc9ebca77727ad96675ee5b |
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font_01_sfnt_off0000dd38.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD38 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f54f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF54F | 10412 bytes |
SHA-256: a46393f3d014fbe36821fe335079c9926f453d4b7bb6e8aa46edf71e063cf9be |
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