MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links, many pointing to compromised CMS upload storage and disposable hosting, suggesting a phishing or malware distribution scheme. The presence of external URIs and link farms strongly supports the attack pattern of luring users to potentially harmful websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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 http://transbur.ru/admin/ckfinder/userfiles/files/15623482730.pdf
- http://hoigolfbinhthuan.com/users/files/41064568432.pdf
- https://swift-tw.com/lcc/upload/files/kunudawiv.pdf
- http://fabtur.ru/upload/files/24054348384.pdf
- https://cosplay-expo.it/ckfinder/userfiles/files/vanifonojokapepabelap.pdf
- https://engineeredrepinc.com/wp-content/plugins/super-forms/uploads/php/files/e30ec5e8133def721deb5432c22e0854/nejijuxabok.pdf
- http://globalnetworks.de/www.galabau-poscher.de/main/preview/ckfinder/userfiles/files/63376469755.pdf
- https://sarujiovalente.com/wp-content/plugins/super-forms/uploads/php/files/t58984sgcb1g5pec13rgj7o871/67451710182.pdf
- https://oklogistic.lv/upload/file/suxiteninimodutugilemize.pdf
- https://kassa-evotor.ru/wp-content/plugins/super-forms/uploads/php/files/sahca859oddfngc4f5ll5qig2i/dukevenezoluwiguwuf.pdf
- https://apoc.com.au/wp-content/plugins/super-forms/uploads/php/files/738d757460eeb7f3891855990ae8a736/xotegoxiresejuledopuxina.pdf
- https://stagerightstaging.com/wp-content/plugins/super-forms/uploads/php/files/7e7aa5f269ea06a063ece514b02e11a3/77074341936.pdf
- http://bukharageorgia.com/sites/default/files/file/44129787154.pdf
- http://www.gradur.ba/wp-content/plugins/formcraft/file-upload/server/content/files/160b630cae919d---37867810109.pdf
- http://alarcon-v.com/editor_upload_image/file/donisurisew.pdf
- https://journeypeople.cc/wp-content/plugins/super-forms/uploads/php/files/6bb8d63fc809eca6058da1b54d3a339d/dudip.pdf
- https://samsungdvmklima.com/upload/ckfinder/files/17945928461.pdf
- http://westboroughhigh76.com/clients/b/bc/bc4984db1d461a603911d7e4814e3e59/File/tupuvilezuroxalejiwox.pdf
- http://cetinelektrik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16085ebece1209---1946963903.pdf
- http://www.rec39.ru/wp-content/plugins/super-forms/uploads/php/files/125748dc037b3d48bc160e4e49817634/55261222643.pdf
- http://rolfingnaples.com/clients/a/a5/a5422f62036d2d393d866963e902351c/File/xoguva.pdf
- http://sportsgarten.com/editorData/file/51850330231.pdf
- http://rymwid-training.com/userfiles/file/53350775775.pdf
- http://northstarbaptisttyler.com/clients/a/a4/a4b4c2e389351fb2dee96c3f727c6a57/File/205671630.pdf
- http://outspokenholland.com/userfiles/fckFile/20210515231019.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=biological+classification+class+11+question+answer
- 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_off0000f69f.bin13c0eede621e65b814004d80f8f2011a1a5cb832dffc6d4d54c7c65f2a10d5b9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF69F | 10948 bytes |
font_01_sfnt_off00011001.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11001 | 16792 bytes |
font_02_sfnt_off00012813.bin44d151252d560b8963448029e3da6d49d946bb7f717a91a6427a41f4c3e84913 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12813 | 16640 bytes |
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