Malicious PDF — malware analysis report

Static analysis result for SHA-256 777171d5bffd1001…

MALICIOUS

PDF

44.4 KB Authoring application: Poppler-utils First seen: 2020-09-24
MD5: e8f156902d1fab31cca4c492c12313f4 SHA-1: 0aa587207c9fb160d19449465535246882d5fb51 SHA-256: 777171d5bffd1001c37da5a3b97a5d054117cbb97ef6b46842eb9c1731593b3e
192 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded external links, identified as a PDF link farm. This heuristic, combined with ClamAV detection and ML classification, strongly suggests malicious intent, likely for SEO manipulation or distributing further malware. No scripts were extracted, but the presence of numerous URLs points to a content-distribution or redirection scheme.

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.
  • Clipboard command execution lure high SE_CLIPBOARD_COMMAND_LURE
    Document tells the user to copy or paste clipboard content into Run, PowerShell, cmd, or another shell-like execution context
  • 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://blinov.icom.space/uploads/1/3/0/2/130273845/vekamexokadele.pdf In PDF document text
    • http://orderoflaibach.com/uploads/1/3/0/6/130605069/rulujifenonitepawu.pdfIn PDF document text
    • http://pondpeople.org/uploads/1/3/0/7/130776725/afe7bbf15.pdfIn PDF document text
    • http://behinddaytona.com/uploads/1/3/0/7/130776541/senujana.pdfIn PDF document text
    • http://desertskydoodles.com/uploads/1/3/0/6/130640090/5214167.pdfIn PDF document text
    • http://www.introtothegoodlife.com/uploads/1/3/0/5/130590140/sobewexexasuxeze.pdfIn PDF document text
    • http://www.1602partners.com/uploads/1/3/0/5/130543543/d3035a69c0dd1.pdfIn PDF document text
    • http://clogdancing.tv/uploads/1/3/0/2/130289756/sumozesunarokuronolo.pdfIn PDF document text
    • http://www.littleredrecipes.com/uploads/1/3/0/8/130874580/5300662.pdfIn PDF document text
    • http://recognizerap.com/uploads/1/3/0/3/130379769/f1d8b3.pdfIn PDF document text
    • http://findmoreroom.com/uploads/1/3/0/4/130491418/d500c06b33c22.pdfIn PDF document text
    • http://lubatales.com/uploads/1/3/0/3/130313363/2657140.pdfIn PDF document text
    • http://northcountrysuggieshop.com/uploads/1/3/0/4/130436218/felazutub_nunevejijukuwi_pefobagokeka_tojogo.pdfIn PDF document text
    • http://mta-sts.mail.bomberheights.org/uploads/1/3/0/4/130435962/5869472.pdfIn PDF document text
    • http://masstechlaw.net/uploads/1/3/0/6/130603858/056d397be20.pdfIn PDF document text
    • http://host243.carmichaelnl.com/uploads/1/3/0/5/130589151/130589151.html#epidural+anesthesia+anatomy+pptIn PDF document text

Related samples 8

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_off00005164.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5164 8800 bytes
SHA-256: 2d4592103a8587620622c25c7433b276ca6d677e4a5a24507e7676d67ce39f08

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