Malicious PDF — malware analysis report

Static analysis result for SHA-256 0c80d818a4437f20…

MALICIOUS

PDF

37.2 KB Authoring application: Soda PDF
MD5: ceb609da44c2f22592a5cb8b21bd6829 SHA-1: 25c1b78a9c2d6130074828096c0ec9d01e1e1178 SHA-256: 0c80d818a4437f2079d0197f5217157800818e1407b94ae18581e4604097e7b5
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs, identified as a link farm, which is a common technique for distributing malicious content or phishing pages. The heuristic 'PDF_SEO_LINK_FARM' and the ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' strongly indicate a phishing or malware distribution intent. Although no scripts were explicitly extracted, the embedded URLs are the primary indicators of malicious activity.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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://boiserealestatejournal.com/uploads/1/3/0/4/130477278/7702078.pdf
    • http://lavernerosephotograpghy.com/uploads/1/3/0/3/130313638/megimekalaxi-kululo-beligovager-taravud.pdf
    • http://janaesworldofbeauty.com/uploads/1/3/0/3/130379379/76827.pdf
    • http://parishcup.org/uploads/1/3/0/6/130604039/refezixikuzipodajege.pdf
    • http://thebasicist.com/uploads/1/3/0/7/130739112/mititexijapiropaviru.pdf
    • http://joshuanyback.com/uploads/1/3/0/9/130969089/robopibilinusaj-vipekinural.pdf
    • http://azhealthcomm.com/uploads/1/3/0/4/130490609/3a6a7ce44e4.pdf
    • http://iulguru.com/uploads/1/3/0/2/130271244/43d675262523bfa.pdf
    • http://server.trucklineinsurance.com/uploads/1/3/0/8/130874458/c9cde.pdf
    • http://mentorpreschools.com/uploads/1/3/0/4/130478106/8834157.pdf
    • http://turningpointcf.net/uploads/1/3/0/7/130739105/e3800.pdf
    • http://arlingtoncarpetcleaner.com/uploads/1/3/0/6/130621031/bowoxomuzax.pdf
    • http://doorswithpetdoors.com/uploads/1/3/0/9/130969598/df5627d8fc.pdf
    • http://pl6vs.salon225.com/uploads/1/3/0/7/130738628/130738628.html#save+pdf+as+word+document+online

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003a07.bin
6212eea17427418d4afeb883a9f2f10b0246364f1bbc8665456d8a80917fd333		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3A07 7384 bytes

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