MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document is identified as a phishing lure, likely intended to trick users into clicking on embedded links. The heuristics indicate it's an image-only document designed to obscure clickable elements, a common tactic for phishing campaigns. The numerous external URLs, many hosted on compromised WordPress sites, suggest a link farm designed to redirect victims to malicious content. No scripts were extracted, but the overall structure and URL distribution strongly suggest a phishing attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9849
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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 https://catamma.ru/uplcv?utm_term=current+affairs+book+pdf+in+bengali
- https://inclinedigital.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bdb01e33f40---40514286905.pdf
- http://acecaalcoy.com/userfiles/file/87742888124.pdf
- https://k2salight.com/wp-content/plugins/super-forms/uploads/php/files/31ca5e3598f4b4ab89fbd3d43f57e178/vesiguf.pdf
- http://frezerovka.by/images/fxeditor/file/kivijuwumubazunavimoxixa.pdf
- https://ecef-groupe.com/wp-content/plugins/super-forms/uploads/php/files/n3c6hibei8rvbbpoph2eps6g86/66300643283.pdf
- http://anonelectronics.com/admin/fckeditor/editor/filemanager/connectors/php/upload_jpg/file/202105042218573510.pdf
- https://machnik.net/ckfinder/userfiles/files/29572034384.pdf
- http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/1mbp1hoaacpred6vaneij8bmkp/rudivitejafuzepo.pdf
- http://arenabilardo.com/data/_files/75682074868.pdf
- https://allmassage.net/upload/file/20210627120441.pdf
- https://fotobolfestmeny.hu/mvc/userfiles/file/zamedezaratupujijujuvova.pdf
- https://dipinkrishna.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c6be0dc8e4---96592859885.pdf
- http://hkalc.com/userfiles/82236126140.pdf
- http://xn--b1ahhafccpgkb2bxo.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/bc8387a57906b7a1999140bd46906c7a/feserepo.pdf
- http://europeanprofservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bcbb4f1b7c6---12912807365.pdf
- http://fapannimario.it/userfiles/files/37842173029.pdf
- https://www.corridar.com/wp-content/plugins/super-forms/uploads/php/files/i98a4guoni1d03l2r391atgb6t/degifaxoribozurazobasoz.pdf
- http://toyotaquangninh.org/data/dulieu/files/85603943802.pdf
- http://marsalanoleggio.it/userfiles/files/28804051114.pdf
- https://unosms.us/userfiles/file/vawekideposesora.pdf
- http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160f77c429a0b2---19432602117.pdf
- https://www.conkite.com/wp-content/plugins/super-forms/uploads/php/files/7c8d19aa9c228dbbc0f3da51b54cfa27/43106743623.pdf
- https://autosofortkauf.ch/wp-content/plugins/super-forms/uploads/php/files/78kdhmk2u2edht3cs1kcmifjvh/4044021827.pdf
- http://2990592.ru/ckfinder/userfiles/files/18532443932.pdf
- https://bmw-zona.ru/uploads/file/36675770315.pdf
- https://msr-hudsonproperties.com/wp-content/plugins/super-forms/uploads/php/files/8803700d706df6b35c01234b02de8e8d/37380055572.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_off0000b331.bin5d3e38def3dd347a5348aff89a55303188e1c1957b10745a87cf540b5b07344a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB331 | 11036 bytes |
font_01_sfnt_off0000cc96.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC96 | 16792 bytes |
font_02_sfnt_off0000e4a8.bin22b7979efd00a3bea7e925abda2797e3538cb29a8af2a32e4cf997ab97c30ed3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4A8 | 14000 bytes |
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