MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file was detected as malicious by ClamAV and an ML classifier, and exhibits characteristics of a link farm pointing to compromised WordPress sites and disposable hosting. The embedded URLs suggest a phishing or malware distribution attempt, likely initiated via spearphishing attachment. No scripts were extracted, but the PDF structure itself is indicative of malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://chcial.ru/uplcv?utm_term=xposed+imei+changer+app PDF link annotation
- http://mrpokedb.com/uploads/files/fufosadumemibowokupijoja.pdfIn PDF document text
- https://consurs.ro/ckfinder/userfiles/files/xesugulibofewa.pdfIn PDF document text
- http://runbo.net/upfiles/files/16314611564339.pdfIn PDF document text
- https://andymullinscommercial.com/home/andy/public_html/ckfinder/userfiles/files/pijovilekojed.pdfIn PDF document text
- http://www.onekaddy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ee9b62763c---19539757238.pdfIn PDF document text
- https://foodexgida.com/uploads/files/gefabela.pdfIn PDF document text
- https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ec9485a72a---83762737452.pdfIn PDF document text
- https://etevent.itweald.com/uploads/files/613e998e7a775.pdfIn PDF document text
- https://tttinox.com/upload/userfiles/files/furuwabinuxudoluwemenaf.pdfIn PDF document text
- http://carsonpokebar.com/uploads/files/dovukewajefefen.pdfIn PDF document text
- http://sabaispa.net/userfiles/file/36105254837.pdfIn PDF document text
- https://www.autopsrus.com/ckfinder/userfiles/files/26446762117.pdfIn PDF document text
- http://vincitydata.com/uploads/ckfinder/files/falifemonidigez.pdfIn PDF document text
- http://konberdbio.com/upload/files/jamejuxefataluwa.pdfIn PDF document text
- http://xn--knstlerische-biografie-arbeit-lbd.ch/userfiles/files/16479956663.pdfIn PDF document text
- http://mikailang.net/userfiles/file/20210903222651_1742697817.pdfIn PDF document text
- http://toroisg.com/public/images/files/83656281968.pdfIn PDF document text
- https://mvmdigital.gr/files/files/78024958153.pdfIn PDF document text
- http://www.salac.cz/ckfinder/userfiles/files/xexanoxefibemimefib.pdfIn PDF document text
- http://steinemann-ag.ru/nimatiwasisoko.pdfIn PDF document text
- http://www.css-jp.com/upfile/files/2021/09/11/45029372340.pdfIn PDF document text
- https://jaunimodienos.lt/wp-content/plugins/super-forms/uploads/php/files/gq7s0f0o5mbpqo211f3imfp6ct/80635429195.pdfIn PDF document text
- https://boumqueur-edition.com/upload/fckeditor/file/7993246283.pdfIn PDF document text
- http://proxima-design.cz/files/file/41463792610.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_off0000b4cb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB4CB | 14424 bytes |
SHA-256: e4bd87361ae4f1df2feab0f6bfcf9a3f5a6c1ec5e69fa8a55112fd892da9008d |
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font_01_sfnt_off0000d8f6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8F6 | 10824 bytes |
SHA-256: 0fcce5486cc41bcb48768fe2986dd29f0dfc5f479542f36b6eb5fc32944c2085 |
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font_02_sfnt_off0000f17a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF17A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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