MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document is identified as malicious by ClamAV and an ML classifier, exhibiting characteristics of a phishing lure. The PDF_IMAGE_LURE heuristic indicates it's an image-based document designed to trick users into clicking a link, likely to a compromised CMS upload or disposable hosting site. The embedded URLs suggest a link farm strategy, common in phishing campaigns aiming to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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 67 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://drafthe.ru/uplcv?utm_term=stand+o+food+android
- http://yangs-ns.com/ckfinder/userfiles/files/20210918110929.pdf
- https://www.audifonosdoshoydos.com/wp-content/plugins/formcraft/file-upload/server/content/files/161372bdf568ac---jalitel.pdf
- https://photojet.bg/userfiles/file/wotiravemikub.pdf
- https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16130b46a4dcd8---62732449903.pdf
- http://df-2.de/images/daten/file/dasene.pdf
- http://xn--2-140-swe8h.xn--p1ai/files/45426703876.pdf
- https://limpjet.com.br/wp-content/plugins/super-forms/uploads/php/files/dde582d3d1cbba5352f173fb312acb34/tuxefa.pdf
- http://www.peritaonline.es/ckfinder/userfiles/files/rufabapenokibo.pdf
- https://stw-nowogard.pl/download/file/83368235811.pdf
- http://dagmar-e.de/userfiles/file/17091735229.pdf
- http://champagne-marc-chauvet.com/images/files/vikemubitafarutapu.pdf
- http://naim.naparts.com/images/fck/file/genodo.pdf
- https://777mto.org/contents/files/farek.pdf
- https://jdbailbonds.com/wp-content/plugins/super-forms/uploads/php/files/cf3fc20a0e3c13211fc555f212a73537/35270751132.pdf
- https://upaspor.com/resimler/files/segekawavunukul.pdf
- http://chinalabware.ru/d/files/vikomog.pdf
- http://gammatradings.com/userfiles/file/weninobividuxutetitib.pdf
- https://alubiasdetolosa.com/files/galeria/files/vorosiradozo.pdf
- https://www.c2commercial.com/wp-content/plugins/super-forms/uploads/php/files/34a28fe506278912369f1f29957612e0/83293497595.pdf
- https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/16144a3a64d61e---gebebuvunepesemitofinov.pdf
- http://dajuicebarus.com/uploads/files/85186981583.pdf
- http://thaisomboonautopart.com/userfiles/files/supujabova.pdf
- http://lingeriedediva.com/UploadFile/file/2021092711560273499.pdf
- http://wawa757.com/uploads/files/bosiniken.pdf
- https://ln80.cn/filespath/files/20210909093757.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_off0000af7d.bin90ca048a86f4039f811f236d00e8d8156525f42f96c546581a60f962b513ef13 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAF7D | 14080 bytes |
font_01_sfnt_off0000d28e.bin6dc64e4ff85a1fec7ea2f30a6ce5a216f434c282cd49a6b6d59c68bab9cc5407 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD28E | 10076 bytes |
font_02_sfnt_off0000e91a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE91A | 16792 bytes |
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