Malicious PDF — malware analysis report

Static analysis result for SHA-256 1f78e11a8c6d8ff3…

MALICIOUS

PDF

30.0 KB Authoring application: Poppler-utils First seen: 2020-09-24
MD5: 86f7a6d58b20ce4b8dbc3076edd824b6 SHA-1: e310db4b564155d570e9b4b856f2d59476640f36 SHA-256: 1f78e11a8c6d8ff34c58f555bdb24b9c0e73c9ba84bb0b306493b94be83d92a6
152 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various domains, suggesting a coordinated effort to direct users to potentially malicious content. The ClamAV detection further supports the malicious nature of the file, classifying it as Pdf.Phishing.TtraffRobotInstall. The embedded links are the primary indicators of compromise, likely serving as lures for phishing or malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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://baigoftricksentertainment.com/uploads/1/3/0/5/130540714/wituwefiru.pdf In PDF document text
    • http://mostatedm.com/uploads/1/3/0/4/130488196/nadexegurer-rowamu.pdfIn PDF document text
    • http://wodscorecard.com/uploads/1/3/0/4/130476887/142eeee6c5cf970.pdfIn PDF document text
    • http://zakarolu.betasproject.online/uploads/2020/01/28/zogamitilabuw.pdfIn PDF document text
    • http://mywholelifeisshirts.com/uploads/1/3/0/3/130379133/bazoxolilujaberukam.pdfIn PDF document text
    • http://naturetherapycic.com/uploads/1/3/0/4/130476506/xizavajepepababi.pdfIn PDF document text
    • http://qhpta.shop/uploads/1/3/0/7/130739922/difajure.pdfIn PDF document text
    • http://zambiasafarihunting.com/uploads/1/3/0/6/130603721/130603721.html#temario+de+calculo+vectorialIn PDF document text

Related samples 1

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_off000010ec.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10EC 7416 bytes
SHA-256: 3e04bf28f822cb35e5b42ec5d37e84deb2d0537bf49b2a5623e515fe87ebfc18

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