MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It functions as a link farm, containing numerous URLs pointing to compromised WordPress sites and disposable hosting. These links likely serve to redirect users to malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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://synerhu.ru/uplcv?utm_term=state+sanctioned+meaning
- http://ntep2008.com/UserFiles/File/tukisotezi.pdf
- http://cuacuonductudong.com/upload/files/zudubidal.pdf
- https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/1607ef98bc3a5f---1622286452.pdf
- https://www.hadlowsecurityshutters.com/wp-content/plugins/super-forms/uploads/php/files/eb6c49416c3c68285f2db71d2dcbecb6/roxareniwunabovod.pdf
- http://livinglearningandworking.org/clients/e/e0/e05af8355f71d8da3aa90f500b9284b3/File/vijejizefip.pdf
- https://rlvanstory.com/wp-content/plugins/super-forms/uploads/php/files/0436fe21c25f162eff69053a61624927/42107433832.pdf
- https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/b6a8afb4cfbfd017516f785a605ceeba/bafixevolodelamevasi.pdf
- https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076251487b25---sibekutu.pdf
- https://genesislighting.net/wp-content/plugins/super-forms/uploads/php/files/58221ce39cc3245d5291aeebfe3f91f5/jitasomula.pdf
- http://synthecinter.com/userfiles/files/jixadejezuse.pdf
- http://bettynblue.com/upload/fck_img/20210510/file/80990374034.pdf
- http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607459ba8f9fa---88004913556.pdf
- http://fortlauderdalelimorental.net/wp-content/plugins/formcraft/file-upload/server/content/files/160bfccceb5eed---61863789594.pdf
- https://rclurie.com/wp-content/plugins/super-forms/uploads/php/files/fbedaec3a1ec8cfa5bf54570d51890ff/10884134310.pdf
- https://fellowpeo.com/wp-content/plugins/super-forms/uploads/php/files/d2fc38a1e0d21da20ee0b156ae796351/musavifixo.pdf
- https://acethamessecurity.co.uk/wp-content/plugins/super-forms/uploads/php/files/29fb0e291d4526f7b133862df85a47e7/77620875587.pdf
- http://indiebookoftheday.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d946b4a2bc---jokaju.pdf
- https://lightspec.ca/wp-content/plugins/super-forms/uploads/php/files/209430cf2a4b47c59c2943370f617764/86862163497.pdf
- https://notofthisgalaxy.com/wp-content/plugins/super-forms/uploads/php/files/bccr2jb4kpoecs418t258dp05h/wavamimonapopuxegu.pdf
- https://siam-royal-view.ru/data/files/sukusokuzadosewuzegajo.pdf
- https://akproauto.com/nbloom/fckuploads/file/56337285099.pdf
- https://www.scanworld.se/wp-content/plugins/formcraft/file-upload/server/content/files/160a26a2bf0c22---25557484049.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_off0000eaa1.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAA1 | 16792 bytes |
font_01_sfnt_off000102b8.bin0584135b2e6c35736a30d6cc9ef97a98a47c99c4fb81698fd83abe3e6f4cb3de |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102B8 | 10644 bytes |
font_02_sfnt_off00011ad6.binfa677e29b60b2e5cf64f96b3b4d3882a72453709e7a5419f701218196e0e966f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11AD6 | 17988 bytes |
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