MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and uses an image-based lure. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9916
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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Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LUREPDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 69 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
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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 http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160c27fdbd2c06---witotapimeburopot.pdf In PDF document text
- https://blueridgelightingandcontrols.com/wp-content/plugins/super-forms/uploads/php/files/97051784c4b3a390302f4712d91998f0/88844455461.pdfIn PDF document text
- https://aawyx.com/sites/default/imageuser/file/rikurezubuvojukodi.pdfIn PDF document text
- http://soupworld.de/upload/file/belomibiriligokozosesujek.pdfIn PDF document text
- http://smsalumni1971.com/apadmin/uploads/userfiles/files/29610018912.pdfIn PDF document text
- http://reafamily.lt/ckfinder/userfiles/files/18425197728.pdfIn PDF document text
- http://clintonseniorhighclassof77.com/clients/e/ec/ec6cde7faca09d53f5ba1fe44cd32e38/File/tapenifetopopejufu.pdfIn PDF document text
- http://dnepropress.net/files/file/46204670100.pdfIn PDF document text
- http://solarhomepage.ch/fckeditor/editor/images/file/74526889587.pdfIn PDF document text
- https://planet-for-events.de/userfiles/file/63982394030.pdfIn PDF document text
- http://jumpstart.mobi/ckfinder/userfiles/files/241635277.pdfIn PDF document text
- https://vnsteeldetailing.com/UserFiles/files/laveranuwamikeme.pdfIn PDF document text
- https://bellevuecommunityfoodbank.org/wp-content/plugins/super-forms/uploads/php/files/8a5d8ed3e32ff11f82debc88654ef146/54469676835.pdfIn PDF document text
- http://showpalmedical.com/userfiles/10658221871.pdfIn PDF document text
- https://velvetskin.pl/wp-content/plugins/super-forms/uploads/php/files/ac24fc35bd79288bb7a4c7d2b03e9cf5/13614335323.pdfIn PDF document text
- https://malimbe.africa/wp-content/plugins/super-forms/uploads/php/files/9f9f0171c2a016bc2ba6a0389a58e53f/25307219675.pdfIn PDF document text
- http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c20f05ee986---2929257080.pdfIn PDF document text
- http://bestbelly.org/content/files/files/wozigagareta.pdfIn PDF document text
- https://myphambambi.com/webroot/img/files/kozudiw.pdfIn PDF document text
- http://www.immo-uno.com/ckfinder/userfiles/files/lipadewomukutagenikusubib.pdfIn PDF document text
- http://tingchucontrol.com/Uploadfiles/files/78159568468.pdfIn PDF document text
- http://dfanchem.com/upload/files/vonos.pdfIn PDF document text
- http://www.saraviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086fcda95459---93679668154.pdfIn PDF document text
- https://tocgia247.com/wp-content/plugins/super-forms/uploads/php/files/0bls62t3j4nhig52ubbddlhdsi/11630541646.pdfIn PDF document text
- https://www.kalirich.com/wp-content/plugins/super-forms/uploads/php/files/e9426c78k7soln85u1bmvh2pm5/40894970665.pdfIn PDF document text
- http://ecbpolska.pl/wp-content/plugins/super-forms/uploads/php/files/e5bc2308dc5fafbca293c1327e0b908b/xonopuxomanave.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=underdog+advantage+dean+graziosi+pdfPDF 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_off0000b6f0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB6F0 | 10760 bytes |
SHA-256: 828c8e7198d7b4bde1fe1752e686d1f0666196c1dbe2862a889ebd3752d965a0 |
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font_01_sfnt_off0000cfa2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCFA2 | 13828 bytes |
SHA-256: 09bc938c2501a8c7a30b8476fc3b256766d18f006e085f3e2cecf47e8c7f9d4c |
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font_02_sfnt_off0000f169.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF169 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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