Malicious PDF — malware analysis report

Static analysis result for SHA-256 9d42a793293107bd…

MALICIOUS

PDF

54.5 KB Authoring application: Serif PagePlus
MD5: 3f5556e101cec7d64058be726fc08198 SHA-1: 6c933917d25c40072c43048b59a6522838949bd8 SHA-256: 9d42a793293107bd95074ca475787e652d85640fec4f5e0bee22c6e3e679c3ae
120 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, identified by the PDF_SEO_LINK_FARM heuristic. The ClamAV detection also flags it as Pdf.Phishing.TtraffRobotInstall. The document body contains garbled text and references to 'Afara e frig lyrics in english' which appears to be a lure. The primary purpose seems to be directing users to a network of external PDF files hosted on various domains, likely for SEO manipulation or to serve as a landing page for further malicious activity.

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://brandsview.com/uploads/1/3/0/7/130738562/7217923.pdf
    • http://theamazingtruth.com/uploads/1/3/0/4/130476784/3973771.pdf
    • http://wildfantasycat.com/uploads/1/3/0/5/130588605/1ee70f972a711.pdf
    • http://oddamericancompany.com/uploads/1/3/0/2/130272478/600210.pdf
    • http://sturminsternewtonplan.com/uploads/1/3/0/7/130738996/1486091.pdf
    • http://asiamarketcorp.com/uploads/1/3/0/6/130620222/891f9.pdf
    • http://moodlabnewlife.nl/uploads/1/3/0/3/130313103/130313103.html#afara+e+frig+lyrics+in+english

Extracted artifacts 5

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001142.bin
9f021b402a5217a1718b56000db79517623b7d2852c060f4f42aecacd067ae77		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1142 9984 bytes
font_01_sfnt_off000073dd.bin
7a76908657a3db00b64de84a545c87dcb4eb91d18a39e22243edc19ff7c38d58		 pdf-font-stream PDF embedded font (sfnt) at offset 0x73DD 2244 bytes
font_02_sfnt_off00007db0.bin
721152ce7f7cb7438976e4e66db7bf061173aa22a859e25ab7d6d2d4b5367394		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7DB0 1740 bytes
font_03_sfnt_off00008591.bin
bb66d78edca8aa75a8db461931e44ad6eab12e4cd439df836d92d13c6ef6c22d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8591 2668 bytes
font_04_sfnt_off00008e61.bin
50dc865112b31b8628c9170d82daeefa18b8227744a71909c0440548ffdcd4ea		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8E61 16132 bytes

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