MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to disposable domains and are structured as link farms, a common tactic for phishing or distributing further malware. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating a deliberate attempt to obscure the true destination or spread links across many low-reputation hosts. No scripts were extracted, but the overall structure and URL patterns strongly suggest a malicious intent to redirect users.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 5
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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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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://oniceh.ru/uplcv?utm_term=android+5+move+apps+to+sd+card PDF link annotation
- http://xn--365-pn7mwb654m2qn.com/ckupload/files/siseroviwitov.pdfIn PDF document text
- http://closehorses.com/userfiles/file/19074242134.pdfIn PDF document text
- https://www.hauptsache.cc/wp-content/plugins/formcraft/file-upload/server/content/files/16146d5f1868ac---35300036965.pdfIn PDF document text
- https://taipeitccia.org/CKEdit/upload/files/28603265709.pdfIn PDF document text
- http://gordostcrista.ru/userfiles/file/dugajume.pdfIn PDF document text
- http://yasaitogo.com/uploads/files/pajuxufimoredilaz.pdfIn PDF document text
- https://mbzgogo.xyz/web/img/podborky/files/19408143580.pdfIn PDF document text
- http://abwingsde.com/uploads/files/13573894797.pdfIn PDF document text
- http://birizgardenhotel.com/userfiles/file/91811214524.pdfIn PDF document text
- https://szallas-karpatalja.hu/upload/3142329049.pdfIn PDF document text
- http://stroytehcentr.ru/images/file/42108473313.pdfIn PDF document text
- https://www.psk.com.au/application/third_party/ckfinder/userfiles/files/12763207785.pdfIn PDF document text
- https://fulzugaskozpont.hu/files/86992945755.pdfIn PDF document text
- https://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/la4s52gl108qvb6fdmatofha7o/27063636262.pdfIn PDF document text
- http://singer-island-condos.com/userfiles/files/70894530182.pdfIn PDF document text
- http://ailizia.com/userfiles/zekalekeneruk.pdfIn PDF document text
- https://acconpriti.com/ckfinder/userfiles/files/47743364101.pdfIn PDF document text
- http://websurin.net/UserFiles/File/furakuzaxigemutevazutu.pdfIn PDF document text
- http://lutechmed.com/Images_upload/files/bifanikotudatefiw.pdfIn PDF document text
- https://mar3ol.com/Files/files/bejojuvumegewuzaxoburoto.pdfIn PDF document text
- https://bongkartuantakur.com/contents/files/gapixazoliteget.pdfIn PDF document text
- https://hoangphatdanang.com/uploads/image/files/winabefigagafosuvuzume.pdfIn PDF document text
- http://huichem.com/ckfinder/userfiles/files/fikavesanakutolelakokoxes.pdfIn PDF document text
- https://sergiomauri.com/images/file/gilezezunugozonarororoxox.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_off0000b5d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB5D3 | 17100 bytes |
SHA-256: d8cd8b3283520144936b84912548b3aa572cbcc8d0ab33c88e6a437e21beb00a |
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font_01_sfnt_off0000e1b0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1B0 | 10808 bytes |
SHA-256: 21f25199d30c181e51aaa85e327e1a77ad5dc861954761903fd161a82d92dea3 |
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font_02_sfnt_off0000fab6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAB6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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