MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which are hosted on disposable domains and appear to be part of a link farm, a common tactic for phishing or distributing further malware. The presence of PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating a large number of links on low-reputation hosting. No scripts were extracted, but the structure and URL distribution strongly suggest a malicious intent to redirect users.
Machine Learning
- Nyx PDF Classifier malicious score 0.9908
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://catamma.ru/uplcv?utm_term=vpn+china+apk PDF link annotation
- http://saiprogetti.net/userfiles/files/73634285336.pdfIn PDF document text
- http://shepardinteriordesign.com/rw/upload/file/6312682051.pdfIn PDF document text
- http://iact2001.com/userData/board/file/lefatiremawoj.pdfIn PDF document text
- https://acrgroup.nl/userfiles/file/64569273836.pdfIn PDF document text
- http://psychanalyste-gard.fr/ckfinder/userfiles/files/ririturawizoberowaveza.pdfIn PDF document text
- https://myvideoclasses.com/ci/userfiles/files/74795268334.pdfIn PDF document text
- http://pointerboards.com/uploads/admin/files/dejepukupedopuzovedejaxik.pdfIn PDF document text
- http://studioferrato.it/userfiles/files/gadegokuluxinedikekexej.pdfIn PDF document text
- http://flagrant-desir.com/userfiles/file/3665446467.pdfIn PDF document text
- http://qapoll.com/2015/vat/upload/files/wirenarivolenixumoxu.pdfIn PDF document text
- https://esofagopisa.it/userfiles/file/jasirurilujorozew.pdfIn PDF document text
- http://goref.ru/files/file/98126009486.pdfIn PDF document text
- http://molenat-energies.fr/molenat.com/images/editor/file/20439012806.pdfIn PDF document text
- https://www.alapan.org/fckimages/file/rejate.pdfIn PDF document text
- http://kme-kme.cz/files/file/96854354868.pdfIn PDF document text
- https://a2designbg.com/userfiles/file/fuwazewefapo.pdfIn PDF document text
- https://cosanuesa.com/componentes/editor/ckfinder/userfiles/files/geruvibumafubesawexemexo.pdfIn PDF document text
- http://agierresrl.it/userfiles/files/loxezoxibujawipawi.pdfIn PDF document text
- https://dadrarad.ro/userfiles/file/dizujupif.pdfIn PDF document text
- https://marlin-aquarium.ru/ckfinder/userfiles/files/41514007582.pdfIn PDF document text
- http://detaycopymatbaa.com/userfiles/file/10238176959.pdfIn PDF document text
- http://aqcorth.specialty-match.com/upload/files/36584448921.pdfIn PDF document text
- http://mrs-edu.com/sribati/editor/uploadfiles/rupafuboferug.pdfIn PDF document text
- https://www.burnat-provins.ch/ck/ckfinder/userfiles/files/29337489843.pdfIn PDF document text
- https://www.ccps.mx/wp-content/plugins/super-forms/uploads/php/files/e1ffec93f85961e26b330b105a900955/32308668335.pdfIn PDF document text
- http://sp3siemianowice.pl/userFiles/files/dosiwatumerupezo.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_off0000c502.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC502 | 9868 bytes |
SHA-256: 2cbd82989961f3b60e55ee4119852a6c55cb34d6a34217cf6dcad9ece1380adc |
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font_01_sfnt_off0000da9c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA9C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f2ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2AE | 19988 bytes |
SHA-256: a728a8cdb90ab76ecfd4e360eb645a83ec94cf2d3f17f9e4ad5a8b78528c4c4b |
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