MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links pointing to compromised websites, indicating a link farm designed to redirect users. Heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' strongly suggest this malicious intent. The ClamAV detection and ML classifier further confirm its malicious nature, likely serving as a phishing or malware distribution vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://sipsib.ru/wp-content/plugins/super-forms/uploads/php/files/0af200fd817b9f7b04e7d63ce89fc287/jiwelamofoxemawageti.pdf
- http://extreamtuning.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1609e689f17872---bowotivudaxavepe.pdf
- http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160805dec51194---fobasaguboz.pdf
- http://heilpraxis-pankow.de/wp-content/plugins/formcraft/file-upload/server/content/files/160beb76572733---25999866390.pdf
- http://mirrorgallery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f119520a05---21730494873.pdf
- http://www.realisthotel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096e6bf33458---wudunugidepupigariguneji.pdf
- https://www.marbelitesa.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1609c8bd77a730---77387278864.pdf
- http://indiebookoftheday.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b415227f863---somavefuluranakut.pdf
- http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607278fb15647---10347006791.pdf
- http://sinara.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c4d76779f02---92148877832.pdf
- https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/16085a3aba96f2---46088347694.pdf
- https://globalazeri.az/wp-content/plugins/super-forms/uploads/php/files/ciinl9ov585qmpu634dmbpl7p4/jobunebar.pdf
- https://topclassgreenery.nl/images/file/kibimefevofulubalefe.pdf
- https://www.emmabowman.com/wp-content/plugins/super-forms/uploads/php/files/f3631100f03e5b678214b1259ee0448b/detabepopugivux.pdf
- http://perfectthesale.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083e2f278249---tuwelemisedujoxa.pdf
- https://spherule.org/wp-content/plugins/super-forms/uploads/php/files/c22bba179e4c4f610cc341e6588c65a4/11946934235.pdf
- https://118highschool.am/wp-content/plugins/super-forms/uploads/php/files/edb0f3fb327c82753b33a979b4529236/22186080003.pdf
- https://www.stamfordtaxis.com/wp-content/plugins/super-forms/uploads/php/files/gmjf40haokhipm24o9e0gtk341/94542513036.pdf
- https://spitalmoldovanoua.ro/ckfinder/userfiles/files/44189785124.pdf
- https://www.mobytec.com.br/mobytec/wp-content/plugins/formcraft/file-upload/server/content/files/160ba0c11886a4---netozisepozosowejabiwilo.pdf
- https://www.lokalesichtbarkeit.de/wp-content/plugins/super-forms/uploads/php/files/10qeeid0g2isa6ioomt04e5gjb/jogebo.pdf
- https://rijst.nu/userfiles/file/74785924826.pdf
- https://secolink.sk/userfiles/file/22371672214.pdf
- https://www.dynasil.com/wp-content/plugins/super-forms/uploads/php/files/75088ceb52a9ae5ca60e93e4ca48a84a/25287203420.pdf
- http://topopentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bbaf08f3f8e---wajile.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=how+to+get+blood+out+of+car+upholstery
- 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_off0000e695.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE695 | 16792 bytes |
font_01_sfnt_off0000feac.binf8a92ccbc675c38bd1c7760e52f5398c61ac61ecfb792ef74957dcfe93039b96 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEAC | 11136 bytes |
font_02_sfnt_off00011877.bina0d31487b74a74361f4a66e4b9ea0f06176e3643e8f274b04f9aa01cadfe9bb6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11877 | 16436 bytes |
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