MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics as a link farm, with several URLs pointing to compromised WordPress sites and disposable hosting. The ML classifier and ClamAV also identified it as malicious, specifically a phishing trojan. The embedded URLs suggest an attempt to redirect the user to malicious content, likely for phishing or to download further malware.
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 https://retrofitoman.com/ckfinder/userfiles/files/zobikitixupulepa.pdf In PDF document text
- https://marwaservicecenter.com/nbloom/fckuploads/file/86028094492.pdfIn PDF document text
- http://botaierpharm.com/upload/files/1138254549.pdfIn PDF document text
- http://ugyvednok.hu/userfiles/file/bojaxabulufoxule.pdfIn PDF document text
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/ajpto12enn4l2aklpc49f35p8e/zokudur.pdfIn PDF document text
- https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/534857bb17ff48119461d5d67a77d33e/fikukomuxogujufexavo.pdfIn PDF document text
- http://greatnice.club/updatefiles/file/33270270600.pdfIn PDF document text
- http://turinhotelcompany.com/userfiles/files/rejelaj.pdfIn PDF document text
- http://satisfytech.com/ck/upload/files/juberutaris.pdfIn PDF document text
- https://mindweave.co.uk/wp-content/plugins/super-forms/uploads/php/files/vrp6drtrg82hdo9eamb9g6mse0/livowawolakatokedigowejo.pdfIn PDF document text
- https://artbynela.com/uploads/file/61939580706.pdfIn PDF document text
- https://www.andyselfstorage.co.uk/wp-content/plugins/super-forms/uploads/php/files/80f8vk2v0lmml73cr9g3lshqeq/35793502450.pdfIn PDF document text
- https://www.totspotdaynursery.co.uk/ckfinder/userfiles/files/49970994043.pdfIn PDF document text
- http://www.realisthotel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ac1f7a1a46---14139323400.pdfIn PDF document text
- https://too.kg/wp-content/plugins/super-forms/uploads/php/files/261a1e57276b90a263c2e5c74d0bacd9/vuxaripikifat.pdfIn PDF document text
- http://lianbang123.com/uploads/files/202109180542284498.pdfIn PDF document text
- https://floraplant.gr/FCKeditor/userimages/file/rozilepej.pdfIn PDF document text
- http://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/16136f67c59d0c---17893674005.pdfIn PDF document text
- http://decom.pro/admin/ckfinder/userfiles/files/puzigurusujuxagixuxatiluw.pdfIn PDF document text
- http://generaltubi.com/container/ckfiles/files/guzof.pdfIn PDF document text
- https://livermore.com/wysiwygfiles/file/ponigot.pdfIn PDF document text
- http://www.moyekolodin.com/files/81875495991.pdfIn PDF document text
- https://ntct.dz/ckfinder/userfiles/files/67897043570.pdfIn PDF document text
- https://oneremote.ru/wp-content/plugins/super-forms/uploads/php/files/d184285cc4132e2a6664d40f75e8d62c/13751381281.pdfIn PDF document text
- https://serviceelectric.ca/userfiles/file/sisidetekajuxada.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=android+root+scriptPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b269.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB269 | 10148 bytes |
SHA-256: ca4d0a33463126e1a5943c59b319b91b52075206d48ea3df5f6a1b218445e06b |
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font_01_sfnt_off0000c935.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC935 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e147.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE147 | 17064 bytes |
SHA-256: b9ae9a0df8274467d9026b70f7c519f1384f4df1fb754be2643432963ecaeee3 |
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