Malicious PDF — malware analysis report

Static analysis result for SHA-256 f11a15ddd6479aa0…

MALICIOUS

PDF

33.5 KB Authoring application: Adobe PDF Library 9.0 First seen: 2020-09-24
MD5: e0cb8d6dbe473ac6c08acb54f598ae03 SHA-1: f0656e8c1320901f2e8ded23a2e0a9bd29fc65a3 SHA-256: f11a15ddd6479aa0c292b929ecb9b13496f0f27d3125d056c7e8038e8c4c7dfd
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file exhibits characteristics of a link farm, containing numerous embedded URLs pointing to external PDF documents. This technique is commonly used to distribute phishing content or redirect users to malware download sites. The ClamAV detection and ML classifier further support its malicious nature, indicating it's likely part of a phishing campaign.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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.
  • 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://haroldcoker.com/uploads/1/3/0/5/130540083/xolurotolozu_jevokagesomuw.pdf In PDF document text
    • http://rooovalley.com/uploads/1/3/0/7/130776260/3b7601f66e11.pdfIn PDF document text
    • http://blackfriday.dng.ie/uploads/1/3/0/4/130483416/3903055.pdfIn PDF document text
    • http://michelejoyjewelry.com/uploads/1/3/0/3/130323406/ed7771821c75.pdfIn PDF document text
    • http://bienchulas.com/uploads/1/3/0/7/130775200/6884575.pdfIn PDF document text
    • http://barspyder.com/uploads/1/3/0/4/130489247/kamita.pdfIn PDF document text
    • http://mail.katiedaisy.com/uploads/1/3/0/7/130739311/e523ad25c.pdfIn PDF document text
    • http://rzke.com/uploads/1/3/0/4/130478819/winevebojijofom_pajirike_vuniw.pdfIn PDF document text
    • http://morrisiennafarm.net/uploads/1/3/0/4/130483673/895ea3d.pdfIn PDF document text
    • http://processly.com/uploads/1/3/0/6/130621127/1fc3d.pdfIn PDF document text
    • http://detourister.com/uploads/1/3/0/5/130539583/japolesomag.pdfIn PDF document text
    • http://michellegibbensdsdirect.com/uploads/1/3/0/3/130379202/6213985.pdfIn PDF document text
    • http://tuffnlitehockey.com/uploads/1/3/0/7/130739278/6210.pdfIn PDF document text
    • http://2g625.slpny.com/uploads/1/3/0/2/130272232/130272232.html#epilepsy+guidelines+2019+pdfIn PDF document text

Related samples 6

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002ad5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2AD5 7592 bytes
SHA-256: 259e0ee30c5aed9021efd7822e83e936f25034f21116da4cb6042f85f12f5f85

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