MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs pointing to compromised websites, indicating a link farm or phishing attempt. Heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' strongly suggest this malicious intent. The ML classifier and ClamAV detection further confirm its malicious nature, likely serving as a lure to a phishing site or to download further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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 https://garglob.ru/uplcv?utm_term=concertino+flute+sheet+music
- http://cwesp.biz/upload/file/difavuvimokutix.pdf
- http://cybernet.asia/UserFiles/File/40055467715.pdf
- https://www.breastcancerfoundation.in/wp-content/plugins/super-forms/uploads/php/files/9c2f1cb674279d3880ed73364f6b366b/65391027250.pdf
- http://bfr-bialapodlaska.pl/userfiles/file/fefoturarusimilanabubu.pdf
- http://melissajacksonmd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ab73aae2ae---28552179261.pdf
- http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/pp8jj1vauucp0hf81pqdr8ob44/pazazavemiwugaba.pdf
- http://nedirajtebosnu.net/userfiles/file/70621339507.pdf
- http://kazuma.ru/ckfinder/userfiles/files/pomamomaxuditepovus.pdf
- http://www.majoriscambio.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606f0c6b3f667---62889572097.pdf
- https://markzone.az/wp-content/plugins/super-forms/uploads/php/files/d2ukcasnmq8muafq34ucmv347n/mavalexukufarejodolasax.pdf
- https://earthideasawnings.com/wp-content/plugins/formcraft/file-upload/server/content/files/160860e84ee257---72793497260.pdf
- https://glowskincare.net/wp-content/plugins/super-forms/uploads/php/files/49e99d14abf950d5eb671f36757aadd5/lataroxibopafogagamoxuvem.pdf
- http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608f50de77df3---pesuremulirivalib.pdf
- https://viajespereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084bf766ad38---50748240653.pdf
- https://www.ezhealthcheck.com/wp-content/plugins/super-forms/uploads/php/files/2rndpv9chhqu6j9ie3fcruvvmp/6738098154.pdf
- http://indiebookoftheday.com/wp-content/plugins/formcraft/file-upload/server/content/files/160967abe9cc0a---manojosixemijori.pdf
- http://paintingservicesonline.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1606c6e2df2db4---tenojigobo.pdf
- https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/995d1cfd923497f262256cbfc681ddf3/3145763165.pdf
- https://salubrismd.com/wp-content/plugins/super-forms/uploads/php/files/3938d1b38b87ee05b5a2b7bd631297c6/satilebafi.pdf
- https://www.mclarenpress.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090bb2541027---26103817891.pdf
- http://ttccid.com/userfiles/file/31186406561.pdf
- http://baaningdoi.com/file_media/file_image/file/depasamituvazuxilofelot.pdf
- http://logo4you.dk/userfiles/file/bedizemu.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_off0000ef8a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF8A | 16792 bytes |
font_01_sfnt_off000107a1.bin82da4885e75df546d3dff411fa71f14acf439ccaf9d311e2fdc4ec4583990106 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107A1 | 10572 bytes |
font_02_sfnt_off00011f8e.bin888759d347a61c50e297d359fa3cbc5a369a3124835ed7a1f0b3bb51b4f77795 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F8E | 17240 bytes |
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