MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, indicating a high likelihood of malicious intent. The document contains numerous embedded URLs, many pointing to compromised CMS upload storage or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports this, indicating the document is part of a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
Heuristics 6
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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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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://allytemp.ru/uplcv?utm_term=george+orwell+1894+pdf
- http://kengosushionlineorder.com/uploads/files/69023306541.pdf
- http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/dhvn5bsm7nj8dc8csve4ca5tn5/65633857032.pdf
- http://jongauger.com/ckfinder/userfiles/files/94499642505.pdf
- https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/ar94jksk990e4ommlibis82ot7/gilidi.pdf
- https://csam-villepinte.org/uploads/images/file/sotekobebilofijigejupalow.pdf
- https://pharma-tools.eu/galeria/file/33272704458.pdf
- http://baby-daycare.com/uploads/files/202109151128572703.pdf
- http://retco.ge/ckfinder/userfiles/files/fadifak.pdf
- http://kvarkeno56.ru/userfiles/file/6069289820.pdf
- http://xenangheli.vn/public/files/55824774754.pdf
- http://pilanatofishing.com/home/sandbox/domains/shelter.sandbox.tritek.hk/public_html/ckfinder/userfiles/files/xufebes.pdf
- https://equimat-cheval.fr/file/9015217310.pdf
- https://samuelben-horin.com/userfiles/file/82326014537.pdf
- http://prestopc.it/upload/file/83574153834.pdf
- http://venusland.vn/app/webroot/img/files/misomin.pdf
- http://mavelikaradiocese.org/rapha/ckfinder/userfiles/files/20925038619.pdf
- http://vetportonaccio.it/userfiles/files/raviradiwurikatafixesin.pdf
- http://www.gametimecatering.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612eacfc39751---89229457865.pdf
- http://www.southforconstruction.com/frontend/web/ckfinder/userfiles/files/zavijijatimexemiduv.pdf
- http://tyextractor.com/d/files/momazaziwejetalomawu.pdf
- http://agro-pasz.pl/ckfinder/userfiles/files/81761355821.pdf
- https://rajnnuhiddje.se/userfiles/file/3019005347.pdf
- https://www.ksmt.edu.np/assets/ckfinder/userfiles/files/18297829514.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_off0000f3a1.binfd3d3e44f8bb7c3420e338c483fd945fda2aa71988bdc15262b834b1e1c2ad7f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3A1 | 10680 bytes |
font_01_sfnt_off00010c35.bin46369b413ca95e4bf4b8d53ed80f0f91211f77f12bcb3abd5e6ab1c5b925441f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C35 | 19188 bytes |
font_02_sfnt_off00013dff.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13DFF | 16792 bytes |
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