MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains numerous embedded URLs, many pointing to compromised CMS uploads or disposable hosting, forming a link farm. The primary attack pattern involves redirecting users to malicious sites, likely for phishing or further malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9908
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=tom+and+jerry+willy+wonka+and+the+chocolate+factory+watch+online+free
- http://nationshield.ae/userfiles/files/sipovepexeduxazorosuril.pdf
- http://meyergarden.com/ckfinder/userfiles/files/22619616142.pdf
- http://dopuskvsro.ru/UserFiles/68265308468.pdf
- https://autopsrus.com/ckfinder/userfiles/files/69766120365.pdf
- http://mygotour.com/FileData/ckfinder/files/20210901_314627F6D0F247B6.pdf
- http://f1-rennsimulatoren.de/userfiles/file/jogow.pdf
- http://biogenetec.tw/image/files/20210911_234858.pdf
- http://jongauger.com/userfiles/file/66808669410.pdf
- https://wscnaturalhealings.com/wp-content/plugins/super-forms/uploads/php/files/78723b86aa9bab313e888f888e07dc4a/zedug.pdf
- http://www.temaricerca.com/entry2013new/admindia/ckfinder/userfiles/files/6971905009.pdf
- http://www.mondzorgvesa-voorschoten.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613736bd00376---tamoxekafiwaxak.pdf
- http://web5gstore.com/Files/files/nawolewil.pdf
- https://quizai.com/uploads/files/latupafirakiwulaj.pdf
- http://vansuloi.com/uploads/userfiles/file/xakojinoje.pdf
- https://bipalisdemo.dashindonesia.com/userfiles/files/buxixifuxabepojoxig.pdf
- https://vickers-electronics.co.uk/wp-content/plugins/super-forms/uploads/php/files/c2573c80bfe29560ccae8264c7881c86/tosakegazupaperosulajifu.pdf
- https://minjar.mebel18.com/uploads/files/gisivapebovi.pdf
- https://corcreation.twbiz.me/data/fckeditor/files/20210906_163850.pdf
- http://geoplan.su/userfiles/file/61137450089.pdf
- https://elperrocallejero.info/ckfinder/files/51089769249.pdf
- https://nenmongdangquang.com/upload/files/fadixowexepen.pdf
- http://sostrevalli.it/userfiles/files/54938508134.pdf
- http://dorapeyzaj.com/userfiles/file/71705116741.pdf
- http://handlpc.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/83234708482.pdf
- https://chmelo.hu/sites/default/files/file/ginaferelagapu.pdf
- http://www.ekoforte.com/upload/file/fobekegozanosazego.pdf
- https://itscebu.com/upload/file/20210908193533.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_off0000bd1d.bin907b3007954c19757420bb482ac1afe3c6a65a91308a2baa19b4a01bc7198945 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBD1D | 10960 bytes |
font_01_sfnt_off0000d65a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD65A | 16792 bytes |
font_02_sfnt_off0000ee6c.bin8a48aab4cfe5cc366b108bbdc482b3fa79e37729b8ed7322f768faeae9af569c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE6C | 15404 bytes |
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