MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ClamAV and an ML classifier, with multiple heuristics indicating it's a link farm pointing to compromised websites. The URLs suggest a phishing or malware distribution attempt, likely leveraging a PDF exploit or social engineering. No scripts were extracted, but the PDF structure and embedded URLs are strong indicators of malicious intent.
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://nomylo.ru/uplcv?utm_term=free+flac+music+download+app PDF link annotation
- http://jtour.vn/userfiles/file/mesevofezopad.pdfIn PDF document text
- https://www.dekleinewerf.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160fd84c38066a---27808939519.pdfIn PDF document text
- https://www.kindspring.org/inc/ckfinder/userfiles/files/2222679836.pdfIn PDF document text
- https://www.beewellrx.com/wp-content/plugins/super-forms/uploads/php/files/tmp/8458943166.pdfIn PDF document text
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/0d7602a9bab0fe07980306f3442e8d57/nizafitisidaxevibo.pdfIn PDF document text
- http://bulgankhangai.mn/userfiles/files/sigitowe.pdfIn PDF document text
- http://computerdoki.hu/user/file/kakevesagosujur.pdfIn PDF document text
- https://iominneapolis.com/wp-content/plugins/super-forms/uploads/php/files/0ab94bfa505c258758a16ffe4e9b01db/nibababariw.pdfIn PDF document text
- https://olivier-daulte.com/ckfinder/userfiles/files/rogoriwujaworigu.pdfIn PDF document text
- https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/160892ebbe7959---zewolaxolexer.pdfIn PDF document text
- http://canxetaianhduc.com/images/file/9597063791.pdfIn PDF document text
- http://tokstar.com/_UploadFile/Images/file/63364402430.pdfIn PDF document text
- http://blbr365.com/userfiles/file/1621695758.pdfIn PDF document text
- http://adoriantarla.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607d86f1e84ba---jakomotegojov.pdfIn PDF document text
- http://cuacuondaiphuc.vn/upload/files/17895844936.pdfIn PDF document text
- http://nawooelcs.com/upload/userfiles/2021/07/files/210710000118.pdfIn PDF document text
- https://rlvanstory.com/wp-content/plugins/super-forms/uploads/php/files/d366110af57ea70d6bb0da953ea84b5c/gagakudufoxeramiwemikaw.pdfIn PDF document text
- http://vincitydata.com/uploads/ckfinder/files/kikulos.pdfIn PDF document text
- https://manenshop.com/upload/files/wizonoxiradakilu.pdfIn PDF document text
- http://files.ibiza-ferien.de/file/wawerajevupe.pdfIn PDF document text
- https://egyptsuntours.com/userfiles/files/48483732408.pdfIn PDF document text
- 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_off0000d6c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6C6 | 17808 bytes |
SHA-256: d499b00feefc5f5ccadefeda82dde112b82c5aa785750bbbaddf3cea865d38c1 |
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font_01_sfnt_off0001050a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1050A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011d21.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D21 | 10848 bytes |
SHA-256: 1bc1672ef2a37ee5d280385fd3fa7a9e35f117c2bc6d2fdbde6811e4e2b3e427 |
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