Malicious PDF — malware analysis report

Static analysis result for SHA-256 706afa060ee55800…

MALICIOUS

PDF

36.0 KB Authoring application: ImageMagick
MD5: d48bc41f188be472d342c8a053eea4f6 SHA-1: 8a488e95000bb5d6b163f35df34896d9aff3aab3 SHA-256: 706afa060ee558002f58fd0d1b94b2d96ef94a4a0d7226b601dff393be21f035
152 Risk Score

Malware Insights

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

The PDF contains a large number of embedded URLs pointing to external PDF files, a technique often used for SEO spam or to distribute malicious content. ClamAV and ML classifiers also flagged this file as malicious, specifically identifying it as a phishing or malicious PDF. The embedded URLs are the primary IOCs, suggesting a campaign to drive traffic to these locations.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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://togukizu.adamtierney.net/uploads/2020/01/28/8794059.pdf
    • http://thelearnnplayhouse.com/uploads/1/3/0/2/130271035/bavefaz_wanit.pdf
    • http://amxhtdvynf.weebly.com/uploads/1/3/0/6/130620882/8457764.pdf
    • http://northsouthappal.com/uploads/1/3/0/6/130621480/76f34.pdf
    • http://nhappyandbeautiful.store/uploads/1/3/0/2/130287852/ecb7a1be.pdf
    • http://msert.net/uploads/1/3/0/2/130272070/1030951.pdf
    • http://poporowopa.remont-turbin-orenburg.ru/uploads/2020/01/28/fuvisenudigizopow.pdf
    • http://dukeiff.org/uploads/1/3/0/4/130475966/banusekezulidoxaj.pdf
    • http://bluewingstudio.com/uploads/1/3/0/2/130289433/5e2efcc.pdf
    • http://ofshoplux.icu/uploads/2020/01/29/janulijopo_juvogobutumuta_wuzilupediluvu_volesobalase.pdf
    • http://thesingbabysingshow.com/uploads/1/3/0/5/130588942/130588942.html#jingle+bell+piano+sheet+easy

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001411.bin
febcad8fa4e6298ddb7cb47f4c6e7e6a12e43904605c6a6bb3d311fc920e0010		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1411 8016 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.