Malicious PDF — malware analysis report

Static analysis result for SHA-256 d17dca7621c1d02b…

MALICIOUS

PDF

43.0 KB Authoring application: PDF Studio
MD5: 8eeb00a8d4f068efe1e7ef669f13bb6f SHA-1: deae379e98698585f1dc789da27dc6fd2ad5d451 SHA-256: d17dca7621c1d02bca91d41779ee6fc261bae15670346aeaa10348b78763d40f
160 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, identified as a link farm, and the document body suggests a lure related to bank account information. This indicates a phishing or credential harvesting attempt. The ClamAV detection further supports its malicious nature. No scripts were extracted from this sample, limiting the ability to determine specific payload delivery mechanisms.

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
  • Payment redirection / bank-detail change lure high SE_PAYMENT_REDIRECT_LURE
    Document describes new or changed bank, wire, ACH, IBAN, SWIFT, or routing instructions — a high-value business-email-compromise 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://nutritionwithnahla.net/uploads/1/3/0/5/130543539/3554025.pdf
    • http://youngprofessionalsofsanfrancisco.com/uploads/1/3/0/2/130288514/2237080.pdf
    • http://www.thewordcures.com/uploads/1/3/0/6/130621663/194ff5ae6325f.pdf
    • http://neurologiccare.com/uploads/1/3/0/4/130477633/6121098.pdf
    • http://primaris.net/uploads/1/3/0/2/130271153/warebuwawip-tebiputatimiku.pdf
    • http://pvpcombat.com/uploads/1/3/0/4/130435578/rabokekozesaro.pdf
    • http://baxtercollective.com/uploads/1/3/0/2/130289693/5677449.pdf
    • http://www.dimpleschildcare.com/uploads/1/3/0/5/130550944/8750110.pdf
    • http://bewellmindset.net/uploads/1/3/0/6/130604020/2304860.pdf
    • http://doctorberrycounseling.com/uploads/1/3/0/6/130605016/24f5c5a90c11.pdf
    • http://abruckx.com/uploads/1/3/0/6/130605315/bafiresobosobofapura.pdf
    • http://www.gnshope.com/uploads/1/3/0/2/130289336/42bdfefc3c7.pdf
    • http://www.holytrinitylutheranchurchnc.com/uploads/1/3/0/3/130313115/korikox-guvobubegon-junog.pdf
    • http://74-123-75-138.mgwnet.com/uploads/1/3/0/6/130639976/130639976.html#state+bank+of+india+joint+account+form+fill+up
    • http://baxtercollective.com/uploads/1/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004ef7.bin
af49d0f77635ae4a4a531a59df58be1f7a1ac0e25a9611a03e4fdfa2742a1a5d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4EF7 8200 bytes

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