MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample is a PDF file identified as malicious by ML classifiers and ClamAV, with heuristics indicating it functions as a link farm. It contains numerous external URIs, many pointing to PDF files hosted on various domains, suggesting a phishing or malware distribution scheme. The presence of 'invoice or payment language' further supports a lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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://broadstripe.com/wp-content/plugins/super-forms/uploads/php/files/d9b3cada4164c73fb4229e9cd9108f48/48034052580.pdf In PDF document text
- http://afgventuregroup.com/cfiles/file/tisojivijudenevotoxam.pdfIn PDF document text
- https://xanbiente.de/userfiles/file/gasepiget.pdfIn PDF document text
- https://binarbaidfabrication.com/public_html/userfiles/file/63944688426.pdfIn PDF document text
- http://tiszaladany.hu/upload/file/27091253081.pdfIn PDF document text
- http://alexlunacoach.com/img/editor/file/99826049125.pdfIn PDF document text
- http://teplo76.ru/uploads/file/41778368407.pdfIn PDF document text
- http://tecresconsolidamentorestauro.it/fck_data/file/mefar.pdfIn PDF document text
- http://brodart01.com/wp-content/plugins/super-forms/uploads/php/files/eqnvionvtu962okobk1ielh22f/24460777144.pdfIn PDF document text
- http://csp.hu/editor_up/40883043131.pdfIn PDF document text
- http://brothersaluminium.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/160bdb281e4879---wolarabagij.pdfIn PDF document text
- https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d41a2abcff5---52956085628.pdfIn PDF document text
- https://auto826.com/uploads/files/61344842383.pdfIn PDF document text
- https://valstybestarnyba.com/upckfinder/files/35573777805.pdfIn PDF document text
- http://dom-nenilovo.ru/wp-content/plugins/super-forms/uploads/php/files/9cf28b29969ecaee6c1b012057ce9017/5084890663.pdfIn PDF document text
- http://krukewittfarms.com/userfiles/file/12253594777.pdfIn PDF document text
- https://callhfelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/160742b5ae2e22---16584243308.pdfIn PDF document text
- http://6nergy.fr/6nergy/sites/default/user/file/99360236108.pdfIn PDF document text
- http://www.norestim.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160b6aa2090036---pafabunu.pdfIn PDF document text
- http://casaperferiesantamariagoretti.com/writable/public/userfiles/file/varajumorugevadufates.pdfIn PDF document text
- http://angel-conference.org/upload_fck/file/2021-8-31/20210831204543909485.pdfIn PDF document text
- https://comodee.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c156f38e435---90882566087.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=anthem+bcbs+va+provider+manualPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c345.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC345 | 17348 bytes |
SHA-256: a94a1acf814950fe1097af733221f79a9ecee66638ea595bbe63e7b096522de1 |
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font_01_sfnt_off0000f081.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF081 | 11068 bytes |
SHA-256: a0458aaa5bb8e96efc7b29c6e4251b3f7799c693de1569b093db853a47be3bb1 |
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font_02_sfnt_off000109e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109E5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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