MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many of which are hosted on compromised CMS upload directories or appear to be part of a link farm designed to obscure the true destination. The presence of PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics suggests a tactic to distribute malicious content or phish for credentials through a network of seemingly unrelated sites. No scripts were extracted, but the overall structure points to a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9950
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://gidaero.com/upload/fckeditor/file/gikisuwobesipewawejamur.pdf
- http://sevennews.com.br/ckfinder/userfiles/files/fifudatof.pdf
- https://www.idromeccanicasrl.com/idromeccanicasrl.com/wp-content/plugins/super-forms/uploads/php/files/c8aebdf24412d8beec69f581d7c45b01/pujazivor.pdf
- https://communeouchamps.fr/userfiles/file/tepefasedoboxidix.pdf
- http://nuyewpilot.academy/wp-content/plugins/super-forms/uploads/php/files/8b7b9aa01815c281c8ad69943bb68651/xejabove.pdf
- http://mail-business.ru/uploads/file/dutusijikimeno.pdf
- http://septumdent.com/img/userfiles/files/tarisituworenirikokojipe.pdf
- http://gymostrov.org/gymostrov/userfiles/file/29991306139.pdf
- http://lirealestatelitigator.com/wp-content/plugins/super-forms/uploads/php/files/a4417efad2560ec0b6038a7d65d39e63/lijamufipikomed.pdf
- https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/qa2u7oekdvqbjb82145lmjqrk5/20170560500.pdf
- https://advancedbusiness.co/wp-content/plugins/super-forms/uploads/php/files/79c3a20496f773aba8aca8c8698864b2/53097247948.pdf
- https://tractorpulling-emmeloord.nl/upload/file/zilirosidona.pdf
- http://cycling-software.com/files/file/vufosaraki.pdf
- http://www.redactordecontenidos.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160a292b39c9cf---53837459752.pdf
- https://hashtag.school/userfiles/file/50484815512.pdf
- http://kirilmazbardak.com/userfiles/file/gotawuvozu.pdf
- https://yidinfo.net/wp-content/plugins/super-forms/uploads/php/files/rld8r0s7lfo3usgr2hbi7rn573/mopikonifirufuwimu.pdf
- http://yuc-fac.com/uploadfiles/20210709223133.pdf
- http://studiolaviano.it/userfiles/files/telole.pdf
- http://bagandpack.ru/wp-content/plugins/super-forms/uploads/php/files/67325f7837778335d0b2ce054fd1b47a/39582024411.pdf
- http://drvision.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606f2afe7e697---rewowalenesapatilog.pdf
- http://fotossc.pl/_files/file/25532622042.pdf
- http://mtreurope.com/ckfinder/userfiles/files/butufizojojek.pdf
- http://socialbomjesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160adcb22c193d---dapukedir.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=crimes+contra+a+administra%C3%A7%C3%A3o+p%C3%BAblica+pdf+estrategia
- 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_off0000d444.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD444 | 16792 bytes |
font_01_sfnt_off0000ec5b.bin2cde37e2b9ba3e52ba3e44c05b48b45b5f3133489e4f9ef285f936b383bd1076 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC5B | 11716 bytes |
font_02_sfnt_off00010725.binf20fb9f92891b442d3eaff1a23078b9f05457da1f4bad01bb81ae6bbd082b1db |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10725 | 19972 bytes |
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