MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, with many URLs pointing to compromised WordPress sites. The presence of multiple external URIs and the compromised CMS upload link heuristic strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 6
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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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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://ketchas.ru/uplcv?utm_term=hold+on+heaven+is+a+place+not+too+far+away
- http://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160785b56a9a55---33393731617.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098350e0ff26---kusulifagaze.pdf
- http://graphicon.hu/wp-content/plugins/formcraft/file-upload/server/content/files/160b3a9eb8392a---xekugoxokokisudur.pdf
- https://avgdesign.com/userfiles/file/viladozewu.pdf
- http://bochosushi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acc215b709c---22353599577.pdf
- https://fenixfalt.com/userfiles/file/50532483367.pdf
- https://www.yoursurveysurveyors.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160df60b656ff7---dasigosoxasaketivuzani.pdf
- https://ivfnna.gr/wp-content/plugins/super-forms/uploads/php/files/2beccd447d2efa673d55788048d047ad/kenoxafifoxotabumemavo.pdf
- http://www.sbawerribee.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609182c76d22e---fofiwowasajenedetamen.pdf
- http://sh8ke.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c15eaf86181---xovejizaxokapubotax.pdf
- http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/160c191e986d43---97425929275.pdf
- http://www.playerclub.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160b997c725c94---masotujavurejutejafukaf.pdf
- https://watertorens.nl/userfiles/file/73964015486.pdf
- http://soundreaming.org/wp-content/plugins/super-forms/uploads/php/files/cf762c3fd318e0612a1768e5bd3179fa/buxubad.pdf
- https://emauto.lv/index/images/up/file/74475124055.pdf
- https://www.verpoort-bouw.be/wp-content/plugins/formcraft/file-upload/server/content/files/160719fea2ada5---21474682542.pdf
- http://bjhtdszdh.com/v15/Upload/file/2021514123658458.pdf
- http://healhumanity.foundation/userfiles/file/xudulonod.pdf
- https://stallion-international.com/userfiles/file/92455675244.pdf
- https://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/aa7298fcfe62bb620f3430859fdc8070/roponuxokozobefam.pdf
- http://webscape.co.bw/wp-content/plugins/formcraft/file-upload/server/content/files/160da51032a6fc---17503800893.pdf
- https://cleaner.pl/userfiles/file/53309674018.pdf
- https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a7f1e710df7---13252248828.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_off0000e9a9.binb269cf0e602a462f5799d9c92ec07ec57e3914a3cf08570a076f897f3786a669 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9A9 | 17516 bytes |
font_01_sfnt_off000116af.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116AF | 16792 bytes |
font_02_sfnt_off00012ec6.bine2c15363da3b90c4d8a7a004657590e3a93dd758dd64b1b64972e5275d7331e8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12EC6 | 10976 bytes |
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