Malicious PDF — malware analysis report

Static analysis result for SHA-256 7e63b41cff8dd579…

MALICIOUS

PDF

39.5 KB Authoring application: OpenOffice Draw
MD5: dd28356df83a6d1f92affe04b37941d8 SHA-1: 2fadbc7cf87693c8422d72e8e8a620e2e927d9e8 SHA-256: 7e63b41cff8dd579814b7ba489fa34f43d675ac078632eeb6f7f99f159b62524
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of embedded external links, a technique often used for SEO poisoning or to redirect users to malicious websites. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and the ML classifier's high confidence score indicate malicious intent. The embedded URLs likely serve as the primary mechanism for delivering the next stage of the attack.

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://killernailzzz.com/uploads/1/3/0/7/130776811/3873538.pdf
    • http://portableoxygen.us/uploads/1/3/0/6/130639701/6484257.pdf
    • http://myhempisbomb.com/uploads/1/3/0/7/130740000/282679cf54c.pdf
    • http://lafethome.ru/uploads/2020/01/28/d147785.pdf
    • http://ncpimaging.com/uploads/1/3/0/5/130590535/2146499.pdf
    • http://rachelskaufman.com/uploads/1/3/0/4/130483167/2960240.pdf
    • http://markanthony.us/uploads/1/3/0/7/130776656/6057ad.pdf
    • http://arcadiagardensllclandscapinganddesign.com/uploads/1/3/0/4/130476050/130476050.html#left+or+right+displaced+abomasum

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000109e.bin
454f61c5999cc2d71936744d6d55775a0113231caa2e09a71816ef09f55a09fe		 pdf-font-stream PDF embedded font (sfnt) at offset 0x109E 7836 bytes

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