MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by a machine learning classifier and ClamAV, indicating it likely contains malicious content. The heuristics reveal it functions as a link farm, pointing to numerous URLs hosted on compromised WordPress sites and disposable domains. These links are likely used to distribute phishing content or further malware stages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
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://botosani.ro/img/uploads/file/juretaxerimow.pdf
- http://dansensvenner.dk/imagesfile///33861523732.pdf
- https://afriqueitnews.com/wp-content/plugins/super-forms/uploads/php/files/4d767fee974a3462fbc236faf2b89d43/1040865650.pdf
- http://schouteninterieurwerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16070bf864eef4---55378388077.pdf
- http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/ce90b3e5b2fe684dbfa59199fdfda00f/mekikonulej.pdf
- http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071fc5da3f0d---79444144704.pdf
- https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b42307b064c---moloteragamisodoxew.pdf
- https://propbrains.com/wp-content/plugins/super-forms/uploads/php/files/9d55t17bsbiuemlvo99p8v3sn7/97735436147.pdf
- https://soudurelausiere.ca/upload/editor/file/86747606848.pdf
- http://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160724ec0bc29a---sufosaz.pdf
- https://akproauto.com/nbloom/fckuploads/file/64719680984.pdf
- http://poornasreehomeoclinic.com/ckfinder/userfiles/files/xililepisepakabir.pdf
- https://kidneystonetreatment.in/userfiles/files/nirapefomaxosu.pdf
- http://www.pointcookelectrician.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160bce0a249e22---xodejidumetiwipugawa.pdf
- http://jhsclassof63.com/clients/c/c8/c8cc7cee7579ddcd469b669c0eb172d8/File/wujiw.pdf
- http://www.udelimpa.es/ckfinder/userfiles/files/tinumusuxufoka.pdf
- http://csim.jp/ckeditor/uploads/files/98509831211.pdf
- http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ce0867a99ce---45836912163.pdf
- https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072d042d5fb0---jejaguwiferemomunozud.pdf
- http://graphicon.hu/wp-content/plugins/formcraft/file-upload/server/content/files/160d8e95e6e914---42350851645.pdf
- http://flagrant-desir.com/userfiles/file/27276170683.pdf
- http://herningbadintra.dk/app/webroot/upload/files/jirelujoxosixekodareb.pdf
- http://flatadministration.com/uploades/fckeditorfile/71465132055.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=11+s%C4%B1n%C4%B1f+tefsir+ders+kitab%C4%B1+cevaplar%C4%B1+1+%C3%BCnite
- 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_off0000cb33.bind41457944e732c4bf5ac223d3011c7c3b21fa059df2d1884cea3b3d7f97898d1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB33 | 18900 bytes |
font_01_sfnt_off0000f8ff.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8FF | 16792 bytes |
font_02_sfnt_off00011116.bind831ba4b05de2dfd420920ef282b1513c03d22ae4b409128f63506861db57780 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11116 | 10984 bytes |
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