MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. The document contains numerous embedded URLs that form a link farm, likely intended to redirect users to malicious sites for phishing or malware delivery. While no scripts were explicitly extracted, the PDF structure and URL patterns are indicative of a phishing lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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://medvor.ru/uplcv?utm_term=maytag+quiet+series+300+touchpad+not+working
- https://aquariumfargo.com/wp-content/plugins/super-forms/uploads/php/files/fe95fd1b7f702e7369ee47ccc8269330/78441653236.pdf
- https://mygamedaysports.com/wp-content/plugins/super-forms/uploads/php/files/2f4bf7000bb759cf85c8bd76156a3065/zaxisojemavizuj.pdf
- http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083bcc58cd96---30172954931.pdf
- http://smflow.in/admin/uploads/file/62671049435.pdf
- https://shreenathtechnologies.com/userfiles/file/muzafudutuzawabuk.pdf
- http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c064451f00---99521359263.pdf
- https://www.dekleinewerf.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607a083132358---17007361505.pdf
- https://www.baileysmilk.com/wp-content/plugins/super-forms/uploads/php/files/f0beca7c3f9a167330f9938ff19dbafd/mosibez.pdf
- https://flvirginia.com/wp-content/plugins/super-forms/uploads/php/files/86114223ba5de78285c2bf3c344a44e2/31549183546.pdf
- http://americusfelderfamily.com/clients/0/0c/0c5e5e27a4da9db51eb23c24aa0fa274/File/jagiput.pdf
- https://championsforchildren.org/wp-content/plugins/super-forms/uploads/php/files/0c3afbe635eac7dd294418d3e737c197/fugenakojakufeso.pdf
- http://zdrowejaja.com/Upload/file/20410628802.pdf
- http://fritz-fahrlaender.ch/download/28764663378.pdf
- https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160762414b9fdb---86848291591.pdf
- http://cuboni.com/uploadfile/hong202106110804297268.pdf
- http://hoangminhceramics.com/app/webroot/uploads/files/vuneb.pdf
- https://grandstone-egypt.com/userfiles/file/45911524283.pdf
- https://mygoaltv.com/ipp/images/uploads/files/27552453178.pdf
- http://kartywspomnien.pl/uploads/assets/file/wakuxitirupavazobaxeke.pdf
- https://legacyltg.com/wp-content/plugins/super-forms/uploads/php/files/b36fb8615c629c03157619c1b8b19e56/wudilajofikupatofijuzujov.pdf
- https://www.chinacimctrailer.com/wp-content/plugins/super-forms/uploads/php/files/25dbecbe3e05cdc58514ab19cb7d82e6/70543530547.pdf
- http://www.blackhillsdancecentre.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ec4054c4d5b---49675598117.pdf
- https://amirep.com/wp-content/plugins/super-forms/uploads/php/files/d395287d540f11f34eb688a0c67cb9fd/1148130604.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_off0000deb7.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDEB7 | 16792 bytes |
font_01_sfnt_off0000f6ce.bina535a72d988168803c665de7e666c59c0c2fe1fa7883464164a91b39ef18f363 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6CE | 11572 bytes |
font_02_sfnt_off000111d4.bin287c65b0f2bba0de78cf0922daccc5683907e1a4724107b9a2df8b437a1ec138 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111D4 | 16728 bytes |
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