MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to compromised CMS uploads or disposable hosting, indicating a link farm designed to redirect users to malicious sites. The presence of these links and the detection results strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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 http://stark-tools.ru/images/uploaded/telajokomiwexakor.pdf In PDF document text
- https://www.aironface.com/wp-content/plugins/super-forms/uploads/php/files/2887084926d57f376d27ebf28d81c9dc/79915953075.pdfIn PDF document text
- https://www.audifonosdoshoydos.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aca6a960752---50542785122.pdfIn PDF document text
- https://ajwatravel.com/wheelmarine/userfiles/file/rumogegurotevisivupe.pdfIn PDF document text
- http://kameleonhastanc.hu/files/file/wirifejitovavivugulif.pdfIn PDF document text
- https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f86a9e74c05---39495613348.pdfIn PDF document text
- http://thermogroup.ru/uploads/files/62722029340.pdfIn PDF document text
- http://escolacaritas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b08b934575b---welivapimizezekudedomifol.pdfIn PDF document text
- http://www.icodar.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ea3ffae7c3---tanirarifadux.pdfIn PDF document text
- http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160ad1f748feeb---18754239341.pdfIn PDF document text
- https://studiopros.com/userfiles/file/In PDF document text
- https://yapluka-services.fr/userfiles/file/70765437189.pdfIn PDF document text
- https://agroadvanced.com/app/webroot/newsletters/editor/files/wibonaripaneb.pdfIn PDF document text
- http://zjnep.com/ckeditor/ckfinder/userfiles/files/kupusevaluxojowerosame.pdfIn PDF document text
- https://thealloywheelcentre.co.uk/wp-content/plugins/super-forms/uploads/php/files/ab98ce2565859f4a5ff8929b18e5e871/lewupemuzejinenezetudefen.pdfIn PDF document text
- https://simbhaolipower.com/images/file/72975349373.pdfIn PDF document text
- https://wolfgang-photography.com/userfiles/files/49936555236.pdfIn PDF document text
- http://thedewakohchang.com/image/upload/File/2682555393.pdfIn PDF document text
- http://sbs-group.co/userfiles/files/xerizewib.pdfIn PDF document text
- http://www.cheapmotorcycleinsurancepa.com/wp-content/plugins/super-forms/uploads/php/files/48ppbjh6od9d4ort1qutro8374/83195354869.pdfIn PDF document text
- http://drapikowski.pl/uploaded/fck_files/file/76091803481.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=how+to+use+rain+bird+controllerPDF 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_off0000e21c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE21C | 10680 bytes |
SHA-256: 4520f12c4f10ceefe96d4d7361b2f76ba2bb3d0b0d2b43d8f659ca6137740eaf |
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font_01_sfnt_off0000fabf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFABF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000112d1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112D1 | 16748 bytes |
SHA-256: adaf19f907f19c4633bff44741503e4c096432376b0f9c95d6fc6485522c42c4 |
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