MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, pointing to numerous compromised WordPress upload directories and disposable hosting sites. These links likely serve as lures for phishing or to distribute further stages of malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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://bscsaoner.in/ckfinder/userfiles/files/parikukekomuzumil.pdf
- https://congchunghadong.com/uploads/files/52960517092.pdf
- https://vernadoc.com/wp-content/plugins/super-forms/uploads/php/files/015e71a2f9c33ec7a4f80c74d04c16ed/16371624511.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c5c9ca217fd---bixubelusavakib.pdf
- http://antwerp-rentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071eb932689a---85503390785.pdf
- https://www.gs-gleichmann.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bcf64cf2a8b---14246923936.pdf
- https://esteticarcare.com/wp-content/plugins/super-forms/uploads/php/files/5cc961d5ecac85237f426427466ed535/63057817301.pdf
- https://marksiegeldds.com/wp-content/plugins/super-forms/uploads/php/files/4da7d90f850f28b93398b7602b3b40bf/wituro.pdf
- https://ifacemount.com/wp-content/plugins/super-forms/uploads/php/files/7691mu4sb80oc6m9hvjbombnne/34404617666.pdf
- http://anandtouristcorporation.com/uploads/6424821777.pdf
- http://comicpapyrus.com/wp-content/plugins/super-forms/uploads/php/files/c8995b201a393fe4733abdca2a6b9a3b/rizoduwugovavokemuxun.pdf
- https://alatheir.com/atheirwsfiles/file/36983000787.pdf
- http://acetuitioncentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c873814203c---kegimawetomakewexatasokul.pdf
- https://www.amiunaorchestra.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608fc03a17c6c---35914378498.pdf
- http://asiavent.com/UserFiles/file///numenolobudujuju.pdf
- http://boulderdivorcelaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609facaf094a3---xefugegidutiwaxusapola.pdf
- https://africanresearchcenter.com/userfiles/file/gowulewemivojijazanagiw.pdf
- https://growlocals.com/wp-content/plugins/super-forms/uploads/php/files/6aae84f36afc48e6ae07eff673494b53/xowukavorefa.pdf
- http://albatrossmrn.com/konadnew/userfiles/file/40179053933.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=initialization+of+pointer
- 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_off0000dffb.binb7b1c1356bd2382f44c3c5726b92d55f6e719c0772e013113d44c53981b00b60 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFFB | 16692 bytes |
font_01_sfnt_off00010b7e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B7E | 16792 bytes |
font_02_sfnt_off00012395.binf315068cbe43b14ebf8af39f6d6fcfe14f0fc5ac6db41822d88d7c47c14d3b00 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12395 | 10196 bytes |
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