Malicious PDF — malware analysis report

Static analysis result for SHA-256 504c1582e6f68f42…

MALICIOUS

PDF

44.0 KB Authoring application: Nitro PDF First seen: 2021-02-20
MD5: bef6887b936232dbc06caa2e5e563322 SHA-1: 26b5906b33ce0483efcb22dda8989a33d316d728 SHA-256: 504c1582e6f68f4276765b62d5f0d46074e7600d559e54c38598e069981b8c3b
152 Risk Score

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://susanmastalsfoundation.org/uploads/1/3/0/6/130603756/2321223.pdf In PDF document text
    • http://guantletters.com/uploads/1/3/0/4/130488100/zagetuvevijigu.pdfIn PDF document text
    • http://thehockeydennl.com/uploads/1/3/0/4/130476555/kujaluzuxos_wekagarodilu_lirizor.pdfIn PDF document text
    • http://myezpzpay.com/uploads/1/3/0/2/130289535/vosuzewezirikutesar.pdfIn PDF document text
    • http://sinohandicraft.com/uploads/1/3/0/7/130740349/3650684.pdfIn PDF document text
    • http://diegobarrenechea.art/uploads/1/3/0/5/130588595/c62a1c50cdce.pdfIn PDF document text
    • http://morethanjustteaching.weebly.com/uploads/1/3/0/5/130588508/tixixav.pdfIn PDF document text
    • http://splinteredmindprints.com/uploads/1/3/0/5/130542912/3457530.pdfIn PDF document text
    • http://jo-ocean.com/uploads/1/3/0/4/130483266/bipanirovapowam.pdfIn PDF document text
    • http://twosistersdips.com/uploads/1/3/0/7/130738902/130738902.html#hyperboloid+of+one+sheet+equationIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000146d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x146D 9624 bytes
SHA-256: 7f1d593faab2ba149b47d8aed51dd55d0d37410e0dd1762e5aaf0cc1264c5be9

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