MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, directing users to multiple compromised WordPress sites. These sites host further PDF files, suggesting a multi-stage download or redirection scheme to deliver a payload.
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 http://www.theflightfest.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080456510dc5---63503190838.pdf
- http://dsm-trhs68.com/clients/8/81/818e764d3414495a915a5f66638dc9bf/File/7212613487.pdf
- http://averon.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160bbcbfb2c1fc---xeverituzimubesox.pdf
- https://amalighting.com/wp-content/plugins/super-forms/uploads/php/files/3e60c0075100361878048e16923de15a/bodixamo.pdf
- http://longarmacademy.net/fckeditor/userfiles/file/luvirajusopeditalejo.pdf
- https://www.fmworks.com.tr/wp-content/plugins/super-forms/uploads/php/files/0kagcc2rltfqssru6ckdj3588b/93622290364.pdf
- https://taevlingar.se/images/pages/file/xukevaroxatiwulideteget.pdf
- https://cashofferoregon.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f173eb82ad---zozepibobizunek.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acff785049f---89620092894.pdf
- http://china-zzld.com/uploadfile/file///2021061811195811.pdf
- https://shrmivirtual.org/wp-content/plugins/super-forms/uploads/php/files/a4d394e6d2b376f44f2e0f99f7fce173/zanif.pdf
- https://vigiweb.cl/dinamicos/files/file/50079994162.pdf
- http://rolmech-strzelno.pl/Upload/file/tisofexewitusonul.pdf
- https://www.auditek.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1609c404e8bd87---pozikum.pdf
- http://alphabodysupplements.com/newerac2c/userfiles/file/22259409723.pdf
- https://brianhigbielaw.com/UserFiles/file/fegenabekasijugifoj.pdf
- https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160c4dba3b2b9e---lukedasewudilemo.pdf
- http://stuarteisbrucklaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/befonuzu.pdf
- https://bokseinstituttet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160c045a88e3d6---zoxime.pdf
- https://sidexsideaudio.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a273a18e0e7---70428636198.pdf
- http://www.deopendeur.org/imgUser/file/66875740263.pdf
- https://www.rydalmereprestige.com.au/wp-content/plugins/super-forms/uploads/php/files/tboqdf4p4tl7s6uq0ictjkdbgm/mipefaguxedudasetepow.pdf
- https://camile.vn/wp-content/plugins/super-forms/uploads/php/files/ae4o9mratc17l8i8ikm9gndmpp/82284929384.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=barlows+country+kitchen
- 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_off0000b86d.bin74a6ce6ca6ba16063ad68ec2943fcd81a4b04bd6f45c5c2c866cf1a317f976eb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB86D | 16688 bytes |
font_01_sfnt_off0000e370.bin40f4b13689cb3ad63b2006922b0a30d8edf76b0fb09280664a4ce14ce746e473 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE370 | 10772 bytes |
font_02_sfnt_off0000fc5a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC5A | 16792 bytes |
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