MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It functions as a link farm, containing numerous URLs that point to various websites, including those hosted on compromised WordPress installations. The presence of a 'utm_term' parameter in one of the URLs suggests a potential phishing or scam campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9944
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://chcial.ru/uplcv?utm_term=skam+belgium+season+2+episode+1+english+sub
- http://auxerretv.com/content/public/file/suzifijosukizubow.pdf
- http://ledins.lv/cms/file/sudam.pdf
- http://dom-nenilovo.ru/wp-content/plugins/super-forms/uploads/php/files/74043da3d14017fab0fd4c139b8d795b/68414956828.pdf
- http://www.cheapmotorcycleinsurancepa.com/wp-content/plugins/super-forms/uploads/php/files/77agupmqp51geikqlcs53ngnq7/tuxusolepinusofuva.pdf
- https://wpsqld.com.au/wp-content/plugins/super-forms/uploads/php/files/671660bb3dd6919f78cd73a8947cf2d6/pekovewizipetirozakosu.pdf
- http://landmanenterprises.com/clients/6/66/660ad4be7ac834282af30b44844c6003/File/88651033104.pdf
- http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160b114654f972---genatoxoboleroderep.pdf
- http://nhs1980alumni.com/clients/878257/File/rixafupizujemuzogi.pdf
- http://circuitoinsulargc.com/documentos/file/xifamujo.pdf
- https://www.emma-solutions.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a3b622f349c---55113922075.pdf
- http://meble-tk.pl/userfiles/file/patateniko.pdf
- http://www.stallionreadymix.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1606ce5df4e33e---2840457529.pdf
- https://www.hontoys.com.au/wp-content/plugins/super-forms/uploads/php/files/t2ojsi0ka4onlikll13l3od8uq/1023641096.pdf
- http://energo-winstal.pl/userfiles/file/51608562139.pdf
- https://sancarspune.com/wp-content/plugins/super-forms/uploads/php/files/39e33d5de29b90d251da139bb997e173/momub.pdf
- https://netiko.fr/img/Data/file/gowipajefoloporojatojina.pdf
- http://www.mondzorgvesa-voorschoten.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a3717cb02be---21297322014.pdf
- http://cnhhgj.com/upfiles/userfiles/file/xesuxu.pdf
- http://basyapiemlak.com/yukleme_klasoru/userfiles/file/gezajuwonebabarudugesupi.pdf
- http://smartmedicaleg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c1273ddcef---38714503575.pdf
- https://www.cibaospalaser.com/wp-content/plugins/super-forms/uploads/php/files/8536d47a48n7gaorf07c6ee720/21931265900.pdf
- http://smartmedicaleg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cd9f32eea1---wafedobenukogosuwe.pdf
- https://x-software.cz/data/file/13444145746.pdf
- http://architects-desk.com/uploadsfile/84025388113.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_off00019db9.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x19DB9 | 16792 bytes |
font_01_sfnt_off0001b5d0.binbc3296b362c4abda77cb154eddae398481bee6416326f2e26e75820b5a10cc63 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1B5D0 | 11220 bytes |
font_02_sfnt_off0001cf80.bin4fb3f64c6e7a9106a48ff46e8dc88817b752f709da7f0b700455367c99cd1b5b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1CF80 | 20340 bytes |
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