Malicious PDF — malware analysis report

Static analysis result for SHA-256 d8035971be8da92f…

MALICIOUS

PDF

39.7 KB Authoring application: OpenOffice Draw
MD5: 9a272beb70e6ea8008c64057fda6a682 SHA-1: 4644170c991cd1ea487c946a2995ed7ec9e4b867 SHA-256: d8035971be8da92f54366244cb0002fb0ce093add01715e39899940f25840fe3
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded links to external PDF files, a technique often used for SEO manipulation or to distribute malicious payloads. The ClamAV detection and ML classifier strongly indicate malicious intent. The primary attack pattern involves directing users to a link farm of potentially malicious or spam-related content.

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://hannahhanson1.com/uploads/1/3/0/4/130492038/931761.pdf
    • http://misspaulasyoga.net/uploads/1/3/0/7/130776712/motufivolazut.pdf
    • http://nepahomesweethome.com/uploads/1/3/0/5/130543346/wanukulijojila-gasonudakewubuz-noludipejiju-kazivutonut.pdf
    • http://teamstrassel.com/uploads/1/3/0/6/130639084/guforovuzupitejuniv.pdf
    • http://qnek.net/uploads/1/3/0/8/130813618/82a747.pdf
    • http://mylevelbest.org/uploads/1/3/0/6/130640070/wuxififatevafix.pdf
    • http://chippenhampositiveliving.com/uploads/1/3/0/7/130776769/molek.pdf
    • http://marketresiliency.com/uploads/1/3/0/7/130775297/xefujepajen_nanunejagit_papitobigoliru_vofugudi.pdf
    • http://balletplus.ca/uploads/1/3/0/5/130589275/tafawuvemaju.pdf
    • http://wirelesschoppers.com/uploads/1/3/0/5/130590361/jolaromu_selotake_xukadu.pdf
    • http://mikewsternad.com/uploads/1/3/0/6/130639976/wobiworufikuxiz-zukowasi-rututiripevi-zeritifelaxaf.pdf
    • http://www.garagedoorrepair-lynnwood-wa.com/uploads/1/3/0/4/130436173/putanudiroso.pdf
    • http://inglesaldia.com/uploads/1/3/0/5/130543198/9573522.pdf
    • http://spice-sisters.com/uploads/1/3/0/5/130551641/vepasegovugazeper.pdf
    • http://persnicketypetunia.com/uploads/1/3/0/7/130740187/juvuzopezotep_tumiduv.pdf
    • http://74-123-73-184.mgwnet.com/uploads/1/3/1/0/131071299/131071299.html#how+to+put+pdf+together+in+one+file
    • http://teamstrassel.c

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000040b1.bin
3f4c6ad8dec0903817921244f69b69e277115a62bef3fc158bd857edfb92a589		 pdf-font-stream PDF embedded font (sfnt) at offset 0x40B1 7748 bytes

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