MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains numerous links to external websites, many of which appear to be hosted on compromised CMS platforms or disposable domains, suggesting a link farm designed to redirect users to malicious content. The presence of embedded URLs and the overall structure indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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://nomylo.ru/uplcv?utm_term=cuyahoga+county+recorder
- https://cakenepal.com/userfiles/file/bofapezadovawed.pdf
- https://www.chauffeur-prive-nice.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160bd91e0bb9b2---zidovasanifuzoruk.pdf
- https://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/160da9b9b1144a---tawutixafunasunitibabal.pdf
- http://kmkonsult.cz/userfiles/file/63782000866.pdf
- http://www.mediacomriccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/160c8a403aa036---57158448825.pdf
- http://alarcon-v.com/editor_upload_image/file/sotukoli.pdf
- http://erbamedica.org/userfiles/files/71921512937.pdf
- http://sip7.online/wp-content/plugins/super-forms/uploads/php/files/23e2cfa1f79c08ed687380b31b406b46/lojujasekujaved.pdf
- http://psychologkmalinowska.pl/ckfinder/userfiles/files/15913389578.pdf
- http://thongthien.vn/upload/files/suvikipuvajuwiwemaliji.pdf
- https://binarbaidequipment.com/public_html/userfiles/file/2811532441.pdf
- http://usarsenal.it/userfiles/files/8042615289.pdf
- https://centar-znr-zop.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160ccdea8f3779---91267362866.pdf
- http://jrpst.pl/userfiles/file/gatijuj.pdf
- https://bringem.de/wp-content/plugins/super-forms/uploads/php/files/e4a7674d0de17e3ba7bf96bd92aa5607/duwikajotib.pdf
- http://opalbiosciences.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b44ace210c---50836141258.pdf
- http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609448b0a5f19---26018992681.pdf
- https://cosalesrep.com/wp-content/plugins/super-forms/uploads/php/files/ad9a91f8dc86e5da36864877a66e44a4/93081602581.pdf
- http://photographybynami.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c92cb65abb0---pitisuwa.pdf
- https://nscs.org/wp-content/plugins/super-forms/uploads/php/files/54422247fe516de7c35b7a31141cdaa3/42095480511.pdf
- https://worldkelo.com/wp-content/plugins/super-forms/uploads/php/files/87f0659a759ce853ebf3a5cb0543eb54/42532556662.pdf
- https://t2sc.me/userfiles/wexenosekiduwe.pdf
- http://itaindustrial.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606d4395449b7---terumub.pdf
- http://tfh-filter.hu/_user/file/zibenunazaj.pdf
- http://anhuishangbiao.com/upload_fck/file/2021-6-15/20210615045222661853.pdf
- https://home18.ru/wp-content/plugins/super-forms/uploads/php/files/3187b1370a3228e877b67f3efc284f27/xubekolasowug.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_off0000f977.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF977 | 16792 bytes |
font_01_sfnt_off0001118e.bin7bac7fdd586ecff0693dbc93a6360fb9ef905efec0d8e0a00521c7781595e175 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1118E | 10588 bytes |
font_02_sfnt_off00012987.bin1c79ea70b7d14eed521f4276c6033e8e606cbc9cdd16c0a24130bc025d8b4e3c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12987 | 16176 bytes |
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