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 identified it as a link farm, with many URLs pointing to compromised WordPress upload storage. These links likely serve as a distribution mechanism for further malicious content or phishing attempts.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://movesforfree.com/wp-content/plugins/super-forms/uploads/php/files/gb0tpjp4e86hn4bjheh1pmj324/mokulo.pdf
- http://fitnessklub-impuls.pl/uploads/assets/file/99638879684.pdf
- http://3handseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607754625f4e9---67823126061.pdf
- http://www.etoiles-recrutement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091e65e172b4---pefuremegewedegefetukal.pdf
- http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/tobrqcrr670cpim6o99rkr4s55/7551013920.pdf
- https://www.saenger-ohg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608afc394579c---42288220205.pdf
- http://soldearenales.com/galeria/files/xariguleji.pdf
- https://mytutr.com/wp-content/plugins/super-forms/uploads/php/files/ec0584d3484146e4a3422f8f08d613a4/99369584830.pdf
- https://westcoastmovers.ca/wp-content/plugins/super-forms/uploads/php/files/2equnpd5i8emuepmdrih9ecllt/96424157876.pdf
- https://www.hediyevideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfb1403f207---dekalagukunimumalogegu.pdf
- https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/brhqu15s9614a4idm0v1tpr8sj/57535784914.pdf
- https://retentionstudentexperience.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c87a416232b---62604805500.pdf
- https://maydangson.com/vietkiendo/upload/file/walusuwab.pdf
- https://jennysbooks.com/wp-content/plugins/super-forms/uploads/php/files/73282dbdc3950f088fdb02d02a01147b/84830943979.pdf
- https://www.shopveriamici.com/wp-content/plugins/super-forms/uploads/php/files/kjsqt2orlc03tk47jcntl55idu/46055627566.pdf
- http://sciencevier.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf58586408d---taviberujiniro.pdf
- https://nailseasupportgroup.com/wp-content/plugins/super-forms/uploads/php/files/a46e5c6045597878261bab06b5b72d0a/46455534798.pdf
- http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608faf411d56a---12018731712.pdf
- https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160760c4dd230b.pdf
- http://rajskiewakacje.pl/userfiles/file/miwesoparulon.pdf
- https://alphaveneers.co.uk/wp-content/plugins/super-forms/uploads/php/files/5c1fdc1ee4ac2cf68a2ddcf4e4b2b021/vitufogotupuforojawofir.pdf
- http://topenglish.sk/app/webroot/gallery/files/2287096927.pdf
- http://magogaralbamoble.com/galeria/files/momokovoniruvoxolipez.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=pain+from+hip+down+back+of+leg
- 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_off0000c5a8.bin1bfca9e18329a1bc393d736c64b6c00d73e3381305092a097bfa9aa0d34d806f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC5A8 | 11120 bytes |
font_01_sfnt_off0000def2.bin052ca6fe8233f9f81ecc974c93de45bc6d6c5a39d91c82e43d341f78f45a9bb5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDEF2 | 15672 bytes |
font_02_sfnt_off000106f4.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106F4 | 16792 bytes |
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