MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for exploiting PDF vulnerabilities or redirecting users. Several heuristics indicate the PDF is part of a link farm, with many URLs pointing to compromised WordPress sites and disposable hosting, suggesting a phishing or malware distribution campaign. ClamAV detection further confirms its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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 http://gancza.pl/userfiles/file/wixam.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607749584ffde---16864115984.pdf
- http://svs-pm.com/wp-content/plugins/formcraft/file-upload/server/content/files/160744ca12339d---fumekanasadimaji.pdf
- http://ajtoablakcentrum.com/_user/file/rotajaro.pdf
- https://ivaco.it/file/11637228867.pdf
- https://weblative.com/wp-content/plugins/super-forms/uploads/php/files/da1ls9qt99spkr2hjqp9j2i6mv/9666291996.pdf
- https://sahodayabbsr.com/test/fckeditor/file/lijozoduje.pdf
- https://anmimar.com/royal/userfiles/file/80552399521.pdf
- https://xn----7sbbjg7ctfs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/a8d9022caf800af4a421117a06b6c3df/vorunuvu.pdf
- http://fortlauderdalelimorental.net/wp-content/plugins/formcraft/file-upload/server/content/files/16091bae5006e6---wusokox.pdf
- https://iescolumbus.org/wp-content/plugins/super-forms/uploads/php/files/8a410e572e24b7be2f58465c8cd4acd7/manebifiwi.pdf
- https://southtours.com/wp-content/plugins/super-forms/uploads/php/files/f12qhlis6242f0iujctnq098dg/89571890213.pdf
- http://dachastyle.com/userfiles/file/rulenazorej.pdf
- http://willettelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/doxujexum.pdf
- http://skyrun-arser.com/js/fckeditor/editor/filemanager/connectors/php/connector.php/upfiles/file/210609225515749355lyangv.pdf
- https://alllegaltask.com/wp-content/plugins/super-forms/uploads/php/files/p2i4qsil1l7osurove50a099m9/lebatiwewe.pdf
- http://anvlaw.com/userfiles/file/38407002781.pdf
- http://web68s.com/upload/files/42544737187.pdf
- https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/1606fed4170cf6---89605454719.pdf
- http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16076c968b3b26---gotezafis.pdf
- http://www.stockholmswingallstars.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a8520e9a57---4812896623.pdf
- http://daotaoyduoc.org/wp-content/plugins/super-forms/uploads/php/files/vjra1lr0h08s5e2astre85f5js/sobevowasepawafitonori.pdf
- https://accesoriosalmayor.com/images/userfiles/file/4235796794.pdf
- http://skrabl.pl/www/rpbd/fck/file/71710017734.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=solve+for+x+of+a+triangle
- 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_off0000ef7f.bina833f4134837c78c4c3bb1d536ba1109cda6e7979ae552cd88a376f7ec0eae0c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF7F | 10464 bytes |
font_01_sfnt_off0001076f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1076F | 16792 bytes |
font_02_sfnt_off00011f81.bin9050800206a2d2b8ee64b7ad8f3551ce744e452bed7087b8c8fa3d977dcdd121 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F81 | 17764 bytes |
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