MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many pointing to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users. Heuristics indicate this is an image-only lure, typical for phishing or malware distribution. ClamAV and ML classifiers also flagged this PDF as malicious, reinforcing the assessment of a phishing or malware delivery attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9849
Heuristics 7
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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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Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LUREPDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
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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://crysiq.ru/uplcv?utm_term=world+number+one+game+in+india
- http://tycoonmedical.com/userfiles/file/40046755625.pdf
- http://gallery4walls.com/upload/editer/file/gitubasero.pdf
- http://raczcsalad.hu/files/damategixo.pdf
- https://slide-bearing.com/d/files/wedoxadurunowifojoxute.pdf
- http://hani-bee.com/userfiles/files/gusisopiva.pdf
- http://klenderbio.com/upload/files/xesopuzujuzixiwiwiz.pdf
- https://herfection.herfection.tw/upload/ckfinder_temp/files/20210916100929.pdf
- https://mlmrockstars.com/ckfinder/userfiles/files/kojipakugone.pdf
- http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/161300efdc7091---nodenaxurivoranu.pdf
- http://sushigonewildtogo.com/uploads/files/zesomakilupopesiboni.pdf
- https://thinkglobalcompliance.com/ckfinder/userfiles/files/sotatijuvef.pdf
- https://repetitorebi.ge/userfiles/files/woxata.pdf
- https://www.ogblfrontaliers.fr/wp-content/plugins/super-forms/uploads/php/files/1larl033julc58hbk5ka6erigp/69784882306.pdf
- http://centromp.it/userfiles/files/kevikezogewiwutidagatozu.pdf
- http://www.gpe-el.pro/ckfinder/userfiles/files/92125600529.pdf
- https://angkaganjil.com/contents/files/20496128917.pdf
- https://hotnewsmd.deca.md/upload/userfiles/files/pijaxisaxepesofazekenexo.pdf
- https://dungcuruamui.com/wp-content/plugins/super-forms/uploads/php/files/e8ba29otd22ncl8ga6d04o3hf4/90446910984.pdf
- https://honkakuji.jp/honkakuji/images/ckfinder/files/70425533529.pdf
- http://bnblspecialities.com/userfiles/files/xevulofebikegivenatajijew.pdf
- https://bamfieldrental.com/userfiles/file/88851056465.pdf
- http://group-anons.ru/userfiles/files/13103326084.pdf
- https://hijaustabilo.com/contents/files/65729163687.pdf
- https://h16hr15k-h19hr37urn.com/contents/files/31508739989.pdf
- http://www.jindatunnel.com/up_files/file/ronagadasufikobo.pdf
- http://baove24h.org/upload/files/54079800562.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b067.binda72f75e56b5e7eb819961b1a5c86fe8649f07d1cdfdf6b051303f9f58a3844d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB067 | 10556 bytes |
font_01_sfnt_off0000c822.bin0b611547462b4b10d48e8d48b4930cc0f7b7485be5f4c579349a6d503a693561 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC822 | 14364 bytes |
font_02_sfnt_off0000ebc4.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBC4 | 16792 bytes |
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