Malicious PDF — malware analysis report

Static analysis result for SHA-256 72aa6be8d741bd77…

MALICIOUS

PDF

37.5 KB Authoring application: Soda PDF
MD5: a37751826bb80f1c394bba8eec8c1b13 SHA-1: 13c12e1c4ac9b72bbb9661a99afd90ebfa1f4f6f SHA-256: 72aa6be8d741bd77b015be1f26ca73273ece2e11c83891d58ede4d8bf46d994d
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file was flagged by multiple heuristics, including a critical PDF_SEO_LINK_FARM rule indicating a mass external link farm, and a ClamAV detection for Pdf.Phishing.TtraffRobotInstall. The embedded URLs, likely intended to redirect users to malicious content, suggest a phishing or malware distribution campaign. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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://thebrandonkeiffershow.net/uploads/1/3/0/6/130639479/tapis_leremizivizag_tawivido_gazaguwivenatet.pdf
    • http://gow.omega-parts.ru/uploads/2020/01/29/lavibeve.pdf
    • http://jidefelaf.holl.online/uploads/2020/01/27/2023631.pdf
    • http://zexa.topnails.pro/uploads/2020/01/27/0f97a8c580.pdf
    • https://natasawador.weebly.com/uploads/1/3/0/5/130588546/3c82c40.pdf
    • http://americanbeachtour.com/uploads/1/3/0/5/130541327/vidonifusinake.pdf
    • http://parleyyouthfc.co.uk/uploads/1/3/0/5/130551311/2275752.pdf
    • http://petchow2u.com/uploads/1/3/0/5/130551526/6498838.pdf
    • http://bigsauklake.weebly.com/uploads/1/3/0/5/130550925/nijabezu_rowuwazi.pdf
    • http://mia-and-darrell.com/uploads/1/3/0/6/130620794/8221945.pdf
    • http://mindbodyfit365.com/uploads/1/3/0/5/130539935/tewefixapazit_vokuvudopo.pdf
    • http://clairebunker.com/uploads/1/3/0/4/130476818/60d5e4.pdf
    • http://novateckfloor.com/uploads/1/3/0/2/130287547/aa23cb.pdf
    • http://mississippi-ted.com/uploads/1/3/0/5/130551775/kijuwefob_mebag_jisoxanat.pdf
    • http://jobs-kuechenhandel.org/uploads/1/3/0/2/130273850/583621.pdf
    • http://tcsonline.net/uploads/1/3/0/5/130551219/130551219.html#rascals+movie++720p+worldfree4u

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001448.bin
198b46ead5b28bffca398c4b2096dd07449d3072030d32d89c7ffb50a9818f81		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1448 8244 bytes

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