Malicious PDF — malware analysis report

Static analysis result for SHA-256 d17dca7621c1d02b…

MALICIOUS

PDF

43.0 KB Authoring application: PDF Studio First seen: 2020-09-24
MD5: 8eeb00a8d4f068efe1e7ef669f13bb6f SHA-1: deae379e98698585f1dc789da27dc6fd2ad5d451 SHA-256: d17dca7621c1d02bca91d41779ee6fc261bae15670346aeaa10348b78763d40f
192 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.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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.
  • 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 In PDF document text
    • http://youngprofessionalsofsanfrancisco.com/uploads/1/3/0/2/130288514/2237080.pdfIn PDF document text
    • http://www.thewordcures.com/uploads/1/3/0/6/130621663/194ff5ae6325f.pdfIn PDF document text
    • http://neurologiccare.com/uploads/1/3/0/4/130477633/6121098.pdfIn PDF document text
    • http://primaris.net/uploads/1/3/0/2/130271153/warebuwawip-tebiputatimiku.pdfIn PDF document text
    • http://pvpcombat.com/uploads/1/3/0/4/130435578/rabokekozesaro.pdfIn PDF document text
    • http://baxtercollective.com/uploads/1/3/0/2/130289693/5677449.pdfIn PDF document text
    • http://www.dimpleschildcare.com/uploads/1/3/0/5/130550944/8750110.pdfIn PDF document text
    • http://bewellmindset.net/uploads/1/3/0/6/130604020/2304860.pdfIn PDF document text
    • http://doctorberrycounseling.com/uploads/1/3/0/6/130605016/24f5c5a90c11.pdfIn PDF document text
    • http://abruckx.com/uploads/1/3/0/6/130605315/bafiresobosobofapura.pdfIn PDF document text
    • http://www.gnshope.com/uploads/1/3/0/2/130289336/42bdfefc3c7.pdfIn PDF document text
    • http://www.holytrinitylutheranchurchnc.com/uploads/1/3/0/3/130313115/korikox-guvobubegon-junog.pdfIn PDF document text
    • http://74-123-75-138.mgwnet.com/uploads/1/3/0/6/130639976/130639976.html#state+bank+of+india+joint+account+form+fill+upIn PDF document text

Related samples 7

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004ef7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4EF7 8200 bytes
SHA-256: af49d0f77635ae4a4a531a59df58be1f7a1ac0e25a9611a03e4fdfa2742a1a5d

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