MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file flagged by ClamAV as Pdf.Phishing.Trojan and by an ML classifier as malicious. It contains numerous URLs pointing to compromised WordPress sites, suggesting a link farm designed to redirect users. While no scripts were explicitly extracted, the PDF structure and URL patterns are indicative of a phishing or malware distribution attempt, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://djhelaly.com/wp-content/plugins/super-forms/uploads/php/files/c46f0e84fb2587ca1af2bd96bf2c8d75/vipowifotaxexujalezan.pdf
- http://dentherapia.hu/files/file/mesorobitivuzotud.pdf
- http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607a9fb13ddac---5224761847.pdf
- http://asokmontridental.com/userfiles/file/majawole.pdf
- https://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160c38e8529d01---35881158960.pdf
- http://mountmedpharmacy.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160a6157f64499---11443516427.pdf
- https://sharzh-ufa.ru/wp-content/plugins/super-forms/uploads/php/files/00037f2c9959bdc23dfa3da624abc574/daxem.pdf
- https://ijp2.com/contents//files/50839779445.pdf
- http://clipsttm.com/userfiles/file///kukafewewaten.pdf
- http://exantusfamilyreunion.com/clients/9/96/968554593547eb574606130639276270/File/nejubasowesenul.pdf
- https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/160917d8d59145---14375153374.pdf
- https://bf-pomosch.ru/wp-content/plugins/super-forms/uploads/php/files/icb41n6o112ie8rc15khqmerc1/rekalu.pdf
- https://lcd96.ru/wp-content/plugins/super-forms/uploads/php/files/b1350d5e6ffe86c96aa7ff8300913861/81302781770.pdf
- https://www.bouwenaaneensterkwerkgeversmerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c71cb4d5d84---66588462916.pdf
- http://4bx.pl/public/file/52645611393.pdf
- https://www.lavishlook.se/wp-content/plugins/super-forms/uploads/php/files/43ad7d14a6a2c0614579506ecffafc63/36415994356.pdf
- https://www.prowallpanama.com/wp-content/plugins/super-forms/uploads/php/files/05982925e23736ae9760da9a6f2908a4/15827737339.pdf
- http://ateliergermain.net/sites/default/files/file/mosipibezevusexojugewewi.pdf
- http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aeb3add3e64---komemad.pdf
- http://sosnovgeo.ru/userfiles/file/8835168799.pdf
- http://franzoesischebulldoggen.eu/userfiles/file/xogivunujusoxef.pdf
- http://www.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a8019e8e791---rulepe.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=myeloma+cancer+causes
- 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_off0000fec9.binca956af5f24c469cab5f166aeca24a39bf0940d5ee53e5f802b9806231b4c21f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEC9 | 17000 bytes |
font_01_sfnt_off00012b2d.bin3644777cd9adcb3608fe0709947ce3eb37c0d14b9fcde25868b8873747211568 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B2D | 10408 bytes |
font_02_sfnt_off000142c8.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x142C8 | 16792 bytes |
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