Malicious PDF — malware analysis report

Static analysis result for SHA-256 18011af92cda8428…

MALICIOUS

PDF

62.3 KB Authoring application: PDFBox
MD5: 99b4844fc72119c15a20b0ae623e0df4 SHA-1: be0cd85991625cd0e95cb34511b0443c2d38720b SHA-256: 18011af92cda842879d398ded1c57958d0070e384fb5377c7011dc1b1ae6b5d6
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF document contains a lure related to 'Danny Phantom' episodes in Spanish, but its primary function is to host a large number of external PDF links. This behavior is indicative of a link farm used for SEO manipulation or to distribute further malicious content. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing or malware distribution via the embedded links.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

Heuristics 3

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • Embedded URL info EMBEDDED_URL
    One 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://pevawiz.francescoscialo.it/uploads/2020/01/28/sefimufifo.pdf
    • http://riverfallsbaseball.com/uploads/1/3/0/6/130639780/3745274.pdf
    • http://nibaxadatu.fonariky.ru/uploads/2020/01/28/nezoxemuliluga.pdf
    • http://wyandottespringsurbanfarm.com/uploads/1/3/0/6/130621964/6934916.pdf
    • http://myeclecticyoga.com/uploads/1/3/0/3/130324047/sefiwokileviwudida.pdf
    • http://nicolas-rigaux-photographe.com/uploads/1/3/0/5/130589036/vazosoz-dulakab-texazokotowi-pavakatep.pdf
    • http://misbailes.com/uploads/1/3/0/5/130538997/130538997.html#danny+phantom+capitulos+completos+en+espa%C3%B1ol

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001263.bin
6b2627c6b71f005757ef757fa9b19163ac561ec234254dfc692294f74b59e96c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1263 9408 bytes

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