MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It functions as a link farm, containing numerous URLs that point to compromised WordPress upload directories and other disposable hosting. These links likely lead to further malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9958
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://soflocops.com/clients/67403/File/xunupatuzewafugukojom.pdf
- http://www.tsssport.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073d8c068c08---pinazuviwutonegesodabid.pdf
- https://utilitydiscount.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087d3d39091d---delagipevutaw.pdf
- https://phoenixknights.co.uk/wp-content/plugins/super-forms/uploads/php/files/4cdd5194f537fc07dc7bd3615e695b24/9300269497.pdf
- https://connect.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/a23dac2052b590ab3af4579482a456ec/kilane.pdf
- https://rhythmcprandfirstaid.com/wp-content/plugins/super-forms/uploads/php/files/0d8b570ad6814eeec05724dde8e25266/17410555292.pdf
- https://lcd96.ru/wp-content/plugins/super-forms/uploads/php/files/43a341a8b3f4031a5a9f6d7a91c8eddb/90346920891.pdf
- http://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160c74bca9f9ac---86387653206.pdf
- http://wbbray.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093392f742e2---85654347380.pdf
- https://banderlogclub.ru/Files/file/sapakeruvamorozolonumena.pdf
- http://ahcxdq.com/uploads/file/29141304695.pdf
- http://entone.es/wp-content/plugins/super-forms/uploads/php/files/949b1837029eb6a2a2c3542058033898/fonuje.pdf
- http://northstarbaptisttyler.com/clients/a/a4/a4b4c2e389351fb2dee96c3f727c6a57/File/70553509541.pdf
- https://hosvagyok.hu/userfiles/file/73340021654.pdf
- https://kalyna.ua/sites/default/files/userfiles/file/basutefexaru.pdf
- http://aucoindeshalles.com/menu/file/70693815525.pdf
- https://www.scilights.com/wp-content/plugins/super-forms/uploads/php/files/b180499097dd456c1e03379d942b0831/jakimukavewabaxapavewutox.pdf
- https://borderpak.com/wp-content/plugins/super-forms/uploads/php/files/df36085b9c1f76b950741242a90b1b65/19460424771.pdf
- http://uzmansporzeminkaplama.com/resimler/files/78598260058.pdf
- http://www.patricktennis.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160991db35586e---duzibiwilujagi.pdf
- http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/f63e970f7802663bc2b9a184ba2b65af/54402697933.pdf
- https://humantouchtranslations.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/160768ff52404b---55814651347.pdf
- http://www.canadavisaservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160adc7cc911a8---vineso.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=schaum%27s+outline+signals+and+systems
- 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_off0000d07a.binadf8a00fb920304ceeee5da025cb6c02d2128cfd018e9cd7ba6e64488a9b20b0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD07A | 16432 bytes |
font_01_sfnt_off0000fb05.binfabf79ec1e374f7fd4fdab7da27fcc1ada6de9fbe280f41336c237f0f7e627a7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB05 | 11040 bytes |
font_02_sfnt_off00011465.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11465 | 16792 bytes |
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