MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to multiple potentially compromised websites. The presence of numerous unknown URLs suggests an attempt to distribute further malicious content or conduct phishing operations.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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 http://mictrogiang.com/userfiles/files/gufonubarusew.pdf
- https://revapackers.com/wp-content/plugins/super-forms/uploads/php/files/l6gfvk00mctjaim11q6e3ugbcj/11532682405.pdf
- http://zoltysnieg.pl/pliki_wyswig/files/7191946503.pdf
- https://guijek.com/userfiles/file/kogenogaperebab.pdf
- http://curry-box-deluxe.de/userfiles/file/revetevud.pdf
- http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/160b23708e839a---66472880380.pdf
- https://web-sila.ru/wp-content/plugins/super-forms/uploads/php/files/6074ed38c3612fee5aa376f4c59b2256/loxadidida.pdf
- http://www.microsinusectomi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083cac0b69e7---butepubafokivopowijo.pdf
- http://tulsacentral1963.com/clients/3/39/398188050227c7f1c8b3045a0a865105/File/73701510180.pdf
- https://vinniescustoms.com/userfiles/files/roxivofawiwajesezuxeb.pdf
- http://goneviaggi.com/themes/userfiles//files/midekisalur.pdf
- http://azizolace.cz/images/file/zenoxerunefek.pdf
- https://akarchlight.com/wp-content/plugins/super-forms/uploads/php/files/67294da78a2965fd11ca419ef1bc9267/57851653153.pdf
- http://rw-hse-businessconsulting.de/userfiles/file/15708013369.pdf
- http://aberdeeneyes.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a9a76523dff---fefonopila.pdf
- http://yoron.net/up/files/tikuzenowavodowagunozar.pdf
- https://autotronics.vn/userfiles/file/narupagozaga.pdf
- http://in-dapt.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079fbe561b02---42744219190.pdf
- https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a11bb08a92---jemamofolodojilevowu.pdf
- https://precisionautoandac.com/wp-content/plugins/super-forms/uploads/php/files/94b30bead7c31bb5fc5c50766b7a6215/22002591912.pdf
- https://shibbirs.com/media/files/60701723480.pdf
- https://drlanda.hu/user/file/romegunovosaxijurojowel.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=registered+airmail+tracking
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b8e7.bin0575af2d4a750b3d288eeb820e0f68fb258a5bedc907f32a0a0b2c9ec9765dc4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB8E7 | 2164 bytes |
font_01_sfnt_off0000c293.bin9b4d2ee66ef3895b90d9efc9a4446c96e2d6ec72a346d8d23b18fa2be325a3ab |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC293 | 16700 bytes |
font_02_sfnt_off0000ee45.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE45 | 16792 bytes |
font_03_sfnt_off0001065c.bin689cbf8514e43030a63b9e21297fe9ad82726132376daed20a5d76f88c2aae9f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1065C | 10732 bytes |
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