MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The document contains numerous links to external websites, many hosted on compromised WordPress installations, suggesting it functions as a link farm for phishing or malware distribution. The presence of embedded URLs and the nature of the heuristics point towards an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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://philabc.ru/uplcv?utm_term=from+sand+and+ash+reviews
- http://pvsystreports.com/wp-content/plugins/super-forms/uploads/php/files/2i9g73kqk5pdvkglp5rd9djen5/15791847953.pdf
- https://edu-mate.kr/_UploadFile/Images/file/jotedijunanofakuna.pdf
- https://norservis.com/files/files/34352027105.pdf
- http://mesotects.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608501d4cf920---76662400568.pdf
- http://www.chicagoalphas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091a1a5287ae---dukazixikozerufavires.pdf
- http://automsystem.com/UploadFile/file/20210603145117955.pdf
- http://moveisgarciadigital.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b0cea2e6f4e---fovesuze.pdf
- https://homeaestheticsllc.com/wp-content/plugins/super-forms/uploads/php/files/d07e02974d03546c66c2381197c1b9ea/xewuziladewizuleful.pdf
- https://greshamgilessalon.com/wp-content/plugins/super-forms/uploads/php/files/eb96f34fdb3c8df8132b4411cf8b850a/soninategusize.pdf
- http://pcmcpropertyblog.com/wp-content/plugins/super-forms/uploads/php/files/3ba8d1722fa5ddfe7517cac26fdc6f7f/wegaxomanuwupefafibipi.pdf
- http://www.jhannahs.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092e96340a0b---96998007215.pdf
- https://transcendenceit.com/wp-content/plugins/super-forms/uploads/php/files/81c1be702c85a224910e93eb9ed2aa6c/marupigaxisegeredumoviv.pdf
- http://videoacceso.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bdc20a5f193---zejiwejobuxurerizaler.pdf
- http://cupta.org/userfiles/files/20210624144720.pdf
- http://www.heksan.com.pl/file/87546733640.pdf
- http://amandamaitland.com/images/file/wijabibeva.pdf
- https://bamfieldrental.com/userfiles/file/95463823965.pdf
- https://unique.global/wp-content/plugins/super-forms/uploads/php/files/577ad50035a909e192d4571df0c5e760/29346106560.pdf
- https://macleanpinesdrivingschool.com.au/wp-content/plugins/super-forms/uploads/php/files/27d89f2c16bfed6798e3ea4fd7cc5acd/bajawote.pdf
- http://itaindustrial.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ce346fce0d8---53613956312.pdf
- http://www.catalogodecineargentino.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087116a9f95f---12260459742.pdf
- https://sketchup360.vn/wp-content/plugins/super-forms/uploads/php/files/v8m56tf3me0corsm51qm8b6fj4/tepuvimovimamujo.pdf
- https://eliteswimmingpoolsinc.com/wp-content/plugins/super-forms/uploads/php/files/u14h6p24rb0qikhu9e5uec98v6/rogibajuduvemozeku.pdf
- https://personalloan2u.com/wp-content/plugins/super-forms/uploads/php/files/ec76e5c7d35df7183f94a26cfe4b1cd1/xeranalogokupexitolibif.pdf
- https://edu-mate.kr/_UploadFile/Images/file/74196889819.pdf
- https://cgeminfos.ma/upload/file/23650621352.pdf
- https://naseeha.org/wp-content/plugins/super-forms/uploads/php/files/190a940b307d147ca9ae956e240188e6/21282664050.pdf
- 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_off0000f553.bin2678fbb6dc6a79e85b0c40e55c0406b1db334fd4e4d2f0d4e318ac99c2d5b5b9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF553 | 17204 bytes |
font_01_sfnt_off0001212e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1212E | 16792 bytes |
font_02_sfnt_off00013945.bin03e758a09fe0e765fdc2a86836dd30bdcd41307faff5b9d3a08235f3b30593e5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13945 | 10496 bytes |
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