MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is a PDF document detected as malicious by ClamAV and an ML classifier, exhibiting characteristics of a phishing lure. It contains numerous links to external PDFs hosted on compromised websites, suggesting an attempt to redirect users to malicious content. The heuristic 'SE_INVOICE_LURE' further supports the phishing pretext.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 7
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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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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://donnasalon.ru/wp-content/plugins/super-forms/uploads/php/files/9e1484f0df9027078efdca92a29b18c1/jedebajirufiw.pdf
- http://www.recetasyconsejos.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099223075985---15848648810.pdf
- http://gezond-trakteren.nl/kasteel-doornenburg-img/bestandenfile/noxewuw.pdf
- https://flyags.com/editorResources/file///tilaxini.pdf
- http://www.anclupnapoli.it/userfiles/file/11870724039.pdf
- http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099c22c28c9d---bavivokegebatiwaju.pdf
- http://www.kindytennis.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093a81674a24---tikesufijegen.pdf
- https://inlandautorepairmurrietaca.com/wp-content/plugins/super-forms/uploads/php/files/22fbc37d9a19bd50ce2ea9af233ab4e2/95532022130.pdf
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/160c2ffaabc390---20887963316.pdf
- https://daleplumbinginc.com/wp-content/plugins/super-forms/uploads/php/files/5d88d7b7b6ddde783755c8823f1142c1/38765007203.pdf
- http://teplospectr.ru/images/files/49151354112.pdf
- https://kfz-gutachter-oliver-schiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a0a0ff2c414---39248100531.pdf
- http://qunjl.com/userfiles/files/ropebovarafefesalab.pdf
- http://kme-kme.cz/files/file/lefixonudamubep.pdf
- http://abwessex.com/uploads/files/koten.pdf
- https://www.digitalsofts.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c136e402b8f---tofolagelanedamalese.pdf
- http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ccf849a6ce7---ruwalomi.pdf
- https://choiceenergynetwork.com/wp-content/plugins/super-forms/uploads/php/files/e27b9440ebd2b6fca82aeb4f41dfe766/1657107451.pdf
- https://grahampropertytax.com/wp-content/plugins/super-forms/uploads/php/files/aae0580530be10bbdf5ddb637170c1f4/kefigokaf.pdf
- https://beribuket.ru/wp-content/plugins/super-forms/uploads/php/files/fb7ac152b60f115543a3a954a53ce4bf/29113794944.pdf
- https://lightspec.ca/wp-content/plugins/super-forms/uploads/php/files/b351f9da3b08b7090cdfcff201421802/dedutavilupagosi.pdf
- http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/2p6g00jl99hc9nola0kcjemh75/50284338589.pdf
- https://xn-----6kcabagcgfjsxjciriy6alkh6a7aqk.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/97fce98aec9633485cc61e1058a6f910/95528064220.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=monthly+expense+tracker+excel+template
- 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_off00010330.bin98887fb1c0c30b769e9e42d670fbe7d4f1e30377427cf8fb114db9102af13656 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10330 | 10848 bytes |
font_01_sfnt_off00011c30.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C30 | 16792 bytes |
font_02_sfnt_off00013442.bin52715354df36455b5c3a448455c66e3a1684ef081b57f50a82871c66db1d08f4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13442 | 17300 bytes |
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