MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to compromised or disposable hosting. Heuristics indicate a link farm designed to redirect users, and ClamAV detection confirms its malicious nature, specifically flagging it as a phishing trojan. The embedded JavaScript likely facilitates the redirection or further payload delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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 https://triangle-electronics.com/assets/userfiles/file/xazabebejesadanuvo.pdf
- http://rayocazar.com/images/elfinder-1.1/files/file/xumakurifujolipuxinesip.pdf
- http://itineraire-consulting.com/ckfinder/userfiles/files/51776727461.pdf
- https://noble-program.site/js/ckfinder/userfiles/files/rujifavow.pdf
- https://bartonsteel.com/tony/barton/ckfinder/userfiles/files/zakenudodoj.pdf
- http://suachuamaydemtien.biz/userfiles/file/78446111849.pdf
- https://donnasalon.ru/wp-content/plugins/super-forms/uploads/php/files/474603db08b2c6af6e1255830cc51613/baxixexatefi.pdf
- http://caribsplash.org/wp-content/plugins/formcraft/file-upload/server/content/files/16139265b3af06---8029674116.pdf
- http://singer-island-condos.com/userfiles/files/8517426556.pdf
- https://krygina40.ru/UserFiles/File/87106506488.pdf
- https://drisraadentalcenter.com/userfiles/file/gefafogofuti.pdf
- https://booburger.myagenda.cz/pictures/editor/files/merapipev.pdf
- http://auburn-properties.com/userfiles/files/29328540868.pdf
- http://imi.vc/upload/files/datotipop.pdf
- http://fzcce.com/aimgs/uload/files/refuzodewudunubepabapimiz.pdf
- https://horacebatten.com/ckfinder/userfiles/files/21247337191.pdf
- https://kaparatt.com/images/File/97526672412.pdf
- http://mlsy.cz/images/file/files/dovagutuguz.pdf
- http://obkladlazby.cz/userfiles/file/60052044919.pdf
- http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613498b09f60b---fepakopu.pdf
- http://ediljolli.com/userfiles/files/dujusujejetaredajeni.pdf
- http://toyteepee.com/uploadfiles/file/210907115300301843djongp.pdf
- http://dalboncostruzioni.it/userfiles/files/gebunepagejewinuvubexeris.pdf
- http://evpltravel.com/xv_image/file/bitiwagejusewegagebos.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=what+should+i+eat+before+gym+in+morning
- 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_off0000c091.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC091 | 16792 bytes |
font_01_sfnt_off0000d8a8.bin7b28a1a92c5e135f9180c3657cacbb8ff11551e47a4ad0a5065924a133fb2405 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8A8 | 11148 bytes |
font_02_sfnt_off0000f257.bind91e0e52e133e0360c8149e75a11e622c3eb7463fc3e858e08be1fcda47fb35e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF257 | 16768 bytes |
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