Malicious PDF — malware analysis report

Static analysis result for SHA-256 7a2e221498f2f233…

MALICIOUS

PDF

36.3 KB Authoring application: LibreOffice
MD5: 6eb2b8d461216affb8f954b10ad42fc2 SHA-1: ba18622773b5e36400deee349153574db5960eb1 SHA-256: 7a2e221498f2f233e57e640bbcee8cce57b3bdfb9426a2bfca93e669e10aa5fb
128 Risk Score

Malware Insights

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

The PDF file contains a link farm with 31 external PDF links, predominantly hosted on domains like qijidaoyin.net, suggesting a phishing or malware distribution campaign. The document body, while partially corrupted, mentions 'Convert pdf to ms excel free online', indicating a lure to trick users into clicking the malicious links. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports the phishing and potential traffic redirection nature of this file.

Heuristics 4

  • 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
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://qijidaoyin.net/uploads/1/3/0/5/130539046/lemawazu-ronobubazojiju-denejezi-rigejo.pdf
    • http://bluewingstudio.com/uploads/1/3/0/5/130539049/lurekilisem.pdf
    • http://milablooms.com/uploads/1/3/0/7/130740141/676364.pdf
    • http://axissyllabus.net/uploads/1/3/0/6/130621502/117926.pdf
    • http://sk8roxy.com/uploads/1/3/0/5/130588951/sopexatugodo.pdf
    • http://boisebrunchbabes.com/uploads/1/3/0/5/130589189/695735.pdf
    • http://mrpsmathclass.com/uploads/1/3/0/6/130639797/luzinojegorovu.pdf
    • http://skmmglobal.us/uploads/1/3/0/7/130739648/mafasodanira.pdf
    • http://ascinsurescaffoldtoolbox.com/uploads/1/3/0/3/130323703/xozakezuna_fojijojad.pdf
    • http://orthopro.co.nz/uploads/1/3/0/5/130538839/261976.pdf
    • http://pudgery.com/uploads/1/3/0/5/130550697/bebiritar.pdf
    • http://beatricemain.com/uploads/1/3/0/5/130540182/4616842.pdf
    • http://rpluscreativesmy.com/uploads/1/3/0/2/130289748/zawekiza_vizowefivirat_pitubeximabuke_nemosoma.pdf
    • http://gwe-design.com/uploads/1/3/0/4/130477228/e0636c6c7f.pdf
    • http://cbdcreamonline.com/uploads/1/3/0/4/130478307/motalesipowi_dukosewupofor_susogokilob_sunezaga.pdf
    • http://marylandvcoc.com/uploads/1/3/0/6/130620268/logodidovepasox.pdf
    • http://propertymanagerfinder.com/uploads/1/3/0/4/130483911/jujofupasobalobag.pdf
    • http://trentriverdesigns.com/uploads/1/3/0/4/130477036/130477036.html#convert+pdf+to+ms+excel+free+online

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000030d5.bin
56aa575fe888100ba8c179461b0f8b35590ffb1c34852888b11d466eeba73ef6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x30D5 7912 bytes

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