MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a link farm, directing users to multiple external URLs hosted on compromised CMS platforms. This behavior is indicative of a phishing or malware distribution attempt, aiming to lure users to malicious sites. The ClamAV detection and ML classifier strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
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 https://nscs.org/wp-content/plugins/super-forms/uploads/php/files/771f3e909689c5debaee5d338828f073/2569790469.pdf
- https://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/160c8faf53296a---60885387305.pdf
- https://ukdirectremovals.com/wp-content/plugins/super-forms/uploads/php/files/0306440ecc638e619a00d48c2a56d7d8/pinuxorokadi.pdf
- https://volnynaklad.cz/data/file/wovezujibunazefal.pdf
- http://4bx.pl/public/file/32894892363.pdf
- https://akproauto.com/nbloom/fckuploads/file/logusegok.pdf
- http://alternativefitness.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160cb0b7c5b76e---4087683367.pdf
- https://adlinefor.com/home/webagen/public_html/korn/data/file/kedixatojiwifosam.pdf
- http://alemotta.com/resources/original/file/vesuvawuwanibib.pdf
- https://fundreamz.com/ckfinder/userfiles/files/92273570577.pdf
- http://fsoa.cn/userfiles/file/85487409724.pdf
- http://spreewaldatelier.de/img/editor/file/dosurubilekupil.pdf
- https://weilaimachinery.com/userfiles/files/lomutizedonuxuvaxojunek.pdf
- http://merwepizza.com/upload/file/4340857093.pdf
- https://rmdschoolandcollege.com/wp-content/plugins/super-forms/uploads/php/files/c0q0ana9rsg2bu1aqtjh30jg01/rudawomimivilezuluzejila.pdf
- http://provia-events.de/pics/fotos/1/file/tekanirafoxelukafaraw.pdf
- https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/a19qrmoklvh75r4j3lji5qf0g6/dibunefutisumoken.pdf
- https://www.straightmyteeth.eu/wp-content/plugins/super-forms/uploads/php/files/932cfded9629f99d9a1126be1fde9f61/16943960705.pdf
- http://iideree.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c4694a8a623---16516304781.pdf
- https://www.scanworld.se/wp-content/plugins/formcraft/file-upload/server/content/files/160e8e8812711f---lavawukifikupijubuwase.pdf
- https://www.bouwenaaneensterkwerkgeversmerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a6615993179---5552067934.pdf
- http://unityproductions.com/upload/files/86792309075.pdf
- http://www.alcera.ca/userfiles/file/fuzalori.pdf
- https://www.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160895f03447a7---68973365330.pdf
- https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078b955126dd---78326161648.pdf
- http://ajtoablakcentrum.com/_user/file/bosuletexunubigidax.pdf
- https://instalacje-elektryczne.net/ckfinder/userfiles/files/pedexetijajerisidututunaw.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=madden+20+mut+coin+hack
- 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_off0000f7ee.bin928b1ef218bb8718667a53fb9635ba211995f4f57f72cb335075c1e8e44b19df |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7EE | 16944 bytes |
font_01_sfnt_off00012422.bin890029e9a12017ac17c0cbe1bbf61573414700aa7ca2d2e7bf1602b34eca9914 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12422 | 10748 bytes |
font_02_sfnt_off00013cae.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13CAE | 16792 bytes |
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