MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with many URLs pointing to compromised WordPress sites and disposable hosting, suggesting a phishing or malware distribution scheme. The document body was unreadable, but the presence of numerous external links strongly supports a malicious redirection attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/e9a201f6db658d45013b924558a6658e/30134966121.pdf
- http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609b3c6411d0a---kuridibifokexurujupajis.pdf
- http://abcbyspu.com/ckfinder/images_store/files/mafogofewakibedewi.pdf
- https://betenagro.com/sites/default/files/file/suvilizoxogufamopoluvif.pdf
- https://inchiriereelicopterromania.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160ad733901f2e---87288685983.pdf
- http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/gsquhnmarfbvklnctt47s47ds0/niwixakefosedokadepagaz.pdf
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a82ff943d6d---matepasipit.pdf
- http://hum-lucknow.org/test/fckeditor/file/29318731902.pdf
- https://www.freshstartdigitalmarketing.com/wp-content/plugins/super-forms/uploads/php/files/bab95a4e366b6967d03fc2545c8b167a/35566009755.pdf
- http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160979244dde34---kutenozibofigazov.pdf
- http://www.sparkprototypes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a6e3d37136---zalojexusa.pdf
- https://jollytime.ru/wp-content/plugins/super-forms/uploads/php/files/6c4dd7f19fe24c577679d49adf962212/nepuremaxeresarawagek.pdf
- https://xlspandoek.nl/userfiles/file/posolenefoxalipobe.pdf
- https://www.couleurs-et-jardin.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1609b9d063a6af---41162184167.pdf
- http://redactron.com/userfiles/file/zifawunurotefujumep.pdf
- https://arte-salon.ru/upload_picture/46007795427.pdf
- https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/c3413997bf10c67748f602b655d6e31d/vilole.pdf
- https://globalclassic.org/wp-content/plugins/super-forms/uploads/php/files/8cd2s9k1a16shit34sl2tu49qm/96646213929.pdf
- http://mega.kz/media/upload/files/subapibup.pdf
- http://foire-fromages-et-vins.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607216c97afce---paraxirusikigawipomupovel.pdf
- http://www.mywil.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1607e0e762efe5---92824831412.pdf
- https://shipnhanh247.vn/asset/files/lojijonuxijo.pdf
- http://a-swiss.com/upload/userfiles/file/45624024989.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=blue+crested+cockatoo
- 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_off0000fc1a.binf662c448c53913f104aa610c72161bbdf206f9512dedba64a4849e640d85078d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC1A | 10412 bytes |
font_01_sfnt_off000113ee.binec6048fc5a24908df5b48aeac3f7565d1ef892e31c63940d3e3edb8c5d017127 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113EE | 16864 bytes |
font_02_sfnt_off00013fdf.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13FDF | 16792 bytes |
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