Malicious PDF — malware analysis report

Static analysis result for SHA-256 f8eb7d674680b820…

MALICIOUS

PDF

36.5 KB Authoring application: Inkscape
MD5: 8d234460d77b1ecd751634ddfd248681 SHA-1: 2437fb2456fe1784eea6b363d1fe952ddab94ce3 SHA-256: f8eb7d674680b8200beff745e6eaf413690b07758cd2338ab2404220b07fedc6
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 User Execution: Malicious File

The PDF file contains a large number of embedded URLs pointing to other PDF files, a technique often used for SEO spam or to distribute further malicious content. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' strongly suggests a phishing or traffic redirection purpose. No scripts were extracted, and the document body is heavily obfuscated, but the link farm heuristic is the primary indicator of malicious intent.

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://objectrelationsrecords.com/uploads/1/3/0/5/130539584/1882950.pdf
    • http://favefoto.com/uploads/1/3/0/5/130539820/sezolit.pdf
    • http://dahvik.com/uploads/1/3/0/2/130287291/xirajabifupupelum.pdf
    • http://brisbanefreshflowers.com/uploads/1/3/0/5/130551214/pibujivetal-xazalatexeb-tipufirubutuzo.pdf
    • http://northeasternohiomasonry.com/uploads/1/3/0/5/130538931/3737117.pdf
    • http://answersoperation.com/uploads/1/3/0/6/130605135/217abab0e3ae5.pdf
    • http://partabcdeasyas123.com/uploads/1/3/0/6/130604810/durosazitow.pdf
    • http://treinasoft.net/uploads/1/3/0/5/130542983/8e0632450.pdf
    • http://perfectionsyards.com/uploads/1/3/0/3/130323996/fijige.pdf
    • http://pixelswipe.com/uploads/1/3/0/6/130621989/finetomozapajajalule.pdf
    • http://gangstar.org/uploads/1/3/0/3/130323437/sazopovibuxi-gefux.pdf
    • http://cbdsnacks.me/uploads/1/3/0/8/130813582/9ad68df51788c0.pdf
    • http://circular-canary.com/uploads/1/3/0/6/130621918/5418736.pdf
    • http://pixelbootcamp.net/uploads/1/3/0/3/130324050/4693696.pdf
    • http://thevuepeekskill.com/uploads/1/3/0/5/130588205/zejozibuzepazizeke.pdf
    • http://lapsonsplace.com/uploads/1/3/0/7/130776201/karazuti_bebubilu.pdf
    • http://kolorpaints.com/uploads/1/3/0/7/130739669/mufegafegore.pdf
    • http://myuptownhealth.com/uploads/1/3/0/6/130620538/xakevi.pdf
    • http://aegomics.com/uploads/1/3/0/5/130588590/6143474.pdf
    • http://rentprivatemoney.com/uploads/1/3/0/3/130379132/7109611.pdf
    • http://trentriverdesigns.com/uploads/1/3/0/8/130813747/130813747.html#epilepsy+drug+shortage+brexit
    • http://trentriverdesigns.com/uploa

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002f39.bin
cdf2bd17329091f97a5023159c0e7fe8626b11974fcd71cc7ba17b91ac68d0c0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2F39 8044 bytes

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