MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external links, many of which point to compromised WordPress sites or disposable hosting, indicative of a link farm. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or distributing further malware. The embedded JavaScript is a common technique for exploiting PDF vulnerabilities or redirecting users.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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://egyseg.eu/ckfinder/userfiles/files/sozuzasigajibozizodotexa.pdf
- http://aktifithalat.com/resimlerfiles/86125379812.pdf
- https://sharidendesignasphalt.com/wp-content/plugins/super-forms/uploads/php/files/ffd1677321f619dbae5a499c2ce01496/55853847129.pdf
- https://resonanceacteurs.nl/userfiles/file/12873343110.pdf
- https://ifacemount.com/wp-content/plugins/super-forms/uploads/php/files/uqmehn8lmnj5i9t0tu3gr68s1f/nosufuguwozodev.pdf
- http://tichdiem.surecare.vn/uploads/userfiles/file/nokijakezexumebavo.pdf
- https://cpc-serbia.org/js/files/fawopitomizamew.pdf
- https://oncallanatomist.com/ckfinder/userfiles/files/lidelirijituwivesubo.pdf
- https://portalkucharski.pl/app/webroot/media/files/47878027066.pdf
- http://cjmfgxfollow.morefriendship.com/upload/files/bivitelujuz.pdf
- https://newcar-rental.com/uploads/files/202109032229149315.pdf
- http://spl-designs.com/ckfinder/userfiles/files/mixenolipotu.pdf
- https://bcm.es/files/galeria/files/94121253942.pdf
- https://menu2uplus.com/images/file/rakukumexevubawad.pdf
- https://doucetplasticsurgery.com/ckfinder/userfiles/files/puwepadupitepata.pdf
- http://telektrans.hu/editor_up/posarexususimasikig.pdf
- http://xn--e42bt3l.net/upfile/files/korodiridiponi.pdf
- https://hagakure.by/upload/editor/files/60223245941.pdf
- http://nagyberki.hu/sites/default/files/fck_uploads/file/30116778343.pdf
- https://www.drserapkagan.com/wp-content/plugins/super-forms/uploads/php/files/7rqbmu32d1pot3n2p21nvb97ks/bojimuzu.pdf
- http://arhive.np-sp.ru/img/file/xisaduka.pdf
- http://knipia.com/userfiles/file/veradomute.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=full+size+lol+wild+rift+android
- 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_off0000ba38.bine0a16ca01e62cc5f7cc4646cff0e9bdad977311f14990f0e67b03a93a412e2c9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBA38 | 16164 bytes |
font_01_sfnt_off0000e3b4.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3B4 | 16792 bytes |
font_02_sfnt_off0000fbcb.bin63e293ee8b6fb4c2397c897db8c4cc7df057782723ab6ec3d382a8fa5ca2ca9b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBCB | 10568 bytes |
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