Malicious PDF — malware analysis report

Static analysis result for SHA-256 7297ac383cbd1ba1…

MALICIOUS

PDF

34.7 KB Authoring application: GIMP
MD5: ac2fd276ea398d9852cd5844be40eada SHA-1: dee194f80790741bbfee4e0ebb89a866b8e77f66 SHA-256: 7297ac383cbd1ba1a131f84c08bc3046463b6617d6d1edf3a072da4fc33586ff
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs pointing to other PDF files across various domains, a technique often used for SEO spam or to distribute malicious content. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or malware distribution. While no scripts were explicitly extracted, the PDF structure and embedded URLs suggest an attempt to redirect the user to potentially harmful 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://thepostalpaper.com/uploads/1/3/0/8/130874339/7671753.pdf
    • http://topabudhabi.com/uploads/1/3/0/5/130551417/3234041.pdf
    • http://vesselrecordings.com/uploads/1/3/0/6/130604931/1750359.pdf
    • http://sagadaview.com/uploads/1/3/0/6/130621215/deritam_suwuganuf_jokagik_rugurisawewut.pdf
    • http://professionalseedresearch.com/uploads/1/3/0/2/130289218/kesobowi_dozesela_bavenumenase.pdf
    • http://neverwait.life/uploads/1/3/0/5/130551267/nukojifiginamul.pdf
    • http://nathanielhinton.com/uploads/1/3/0/6/130639272/tubowo.pdf
    • http://thedaydesigner.com/uploads/1/3/0/6/130620948/1219135.pdf
    • http://bodybarn.net/uploads/1/3/0/6/130604807/jevete.pdf
    • http://dougstewartcircus.com/uploads/1/3/0/7/130740624/cc75dc.pdf
    • http://sensitivoantonio.it/uploads/1/3/0/5/130539114/vijefovizebos.pdf
    • http://athomedogeuthanasia.com/uploads/1/3/0/7/130739924/39dd9225ee0e9.pdf
    • http://jumpcanopy.com/uploads/1/3/0/4/130490019/dokipojugit-vekekisamegomi-litapititix.pdf
    • http://dimaggioconstruction.com/uploads/1/3/0/4/130476844/1008997.pdf
    • http://needlelessconnector.com/uploads/1/3/0/7/130775865/bf9057dcd15.pdf
    • http://elevatetutoring.com/uploads/1/3/0/4/130436318/tibanonuvof.pdf
    • http://blog.stootie.com/uploads/1/3/0/5/130589315/130589315.html#garmin+fenix+5+lactate+threshold+test

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002b3f.bin
e42912dd71eb47ddec7c6b253f08c14febb4e15a5536aceea9ce5efa6f6ea4be		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B3F 8048 bytes

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