Malicious PDF — malware analysis report

Static analysis result for SHA-256 6f6210a06660d729…

MALICIOUS

PDF

42.1 KB Authoring application: Adobe PDF Library 9.0
MD5: 74ecacab7913d6b41e0ce4725ff24030 SHA-1: 7529d9e24ff2d29507c825e45ebf36cca7fe8aca SHA-256: 6f6210a06660d729cc7797acb6492fb49cfc53cc75bc4c10715c87eed0ffb7bb
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document is classified as malicious and contains a large number of embedded URLs pointing to other PDF files, suggesting a link farm or redirection scheme. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and the ML classifier output strongly indicate malicious intent. While no scripts were explicitly extracted, the presence of numerous external links suggests the document's primary purpose is to redirect users to potentially malicious content or facilitate further compromise.

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://capehomerepair.com/uploads/1/3/0/7/130740187/202e98bff1db0.pdf
    • http://mhsmustangs4mustangs.com/uploads/1/3/0/2/130289763/rulekufo.pdf
    • http://sanblastoursislands.com/uploads/1/3/0/2/130289335/rawirakijimesa-fenomuzodakuju.pdf
    • http://wedoopovertyreduction.com/uploads/1/3/0/6/130603936/voxogegumuzaduk.pdf
    • http://uncannymovie.com/uploads/1/3/0/6/130605515/pugavazawoworotaw.pdf
    • http://imaginarylabs.net/uploads/1/3/0/4/130435785/373038ad767032.pdf
    • http://www.securityprojects.be/uploads/1/3/0/8/130873867/xozeramazeji_fosija.pdf
    • http://troop115.com/uploads/1/3/0/7/130776810/lukaxigapumimakitenu.pdf
    • http://mfhinvestments.com/uploads/1/3/0/4/130476984/nimefak_valebirobi_bavugowagire.pdf
    • http://mta-sts.mx.countessconundrumsworld.com/uploads/1/3/0/8/130873737/2580395.pdf
    • http://paranormalavengers.com/uploads/1/3/0/8/130814226/4341fbc921.pdf
    • http://agapemedped.com/uploads/1/3/0/3/130379627/patunokage.pdf
    • http://northeastwaterdamage.net/uploads/1/3/0/6/130604241/dee3cca6f0e.pdf
    • http://longbeach-rc.com/uploads/1/3/0/8/130814575/aac116985d.pdf
    • http://northerntundra.com/uploads/1/3/0/4/130490808/c8022018b131aa8.pdf
    • http://poubellepublishing.com/uploads/1/3/0/5/130588732/6923693.pdf
    • http://blvd420.com/uploads/1/3/0/6/130639808/nebivusumo.pdf
    • http://awcollision.net/uploads/1/3/0/6/130621523/wamovomo.pdf
    • http://newportplant.com/uploads/1/3/0/5/130589431/lipiw_libago_kumipewe.pdf
    • http://amherstmadisonusa.com/uploads/1/3/0/5/130551576/c3331dba7fc.pdf
    • http://a3arts.co.uk/uploads/1/3/0/7/130738675/337110.pdf
    • http://lestrotamundos.com/uploads/1/3/0/3/130313624/2329661.pdf
    • http://myovisioninfo.com/uploads/1/3/0/3/130324350/vobagij.pdf
    • http://www.aeprilsarcana.com/uploads/1/3/0/6/130621305/widonavafiwop.pdf
    • http://gh5js.slpny.com/uploads/1/3/0/3/130313263/130313263.html#letter+of+recommendation+sample+for+elementary+teacher

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003fa2.bin
ac4c56a6fd5a28b573be11c6c8ba0e907b3c6e686d1b251be79ffb05ed46fada		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3FA2 8524 bytes

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