Malicious PDF — malware analysis report

Static analysis result for SHA-256 96c46407fddd4f44…

MALICIOUS

PDF

38.0 KB Authoring application: Smallpdf Desktop
MD5: 3d67812186488665b1b4952e434001cb SHA-1: 45cb927c00b51e99fec984db0444e13ec3f7baeb SHA-256: 96c46407fddd4f44b9ed8fdeb0602a7f418646f7b575c98ef125dd8580e29f82
120 Risk Score

Malware Insights

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

The PDF file was detected as malicious by ClamAV with the signature Pdf.Phishing.TtraffRobotInstall-7605656-0. Static analysis revealed a large number of embedded external links, indicating a link farm designed to redirect users to potentially malicious sites. The document body contains garbled text and embedded URLs, further supporting the phishing or malware distribution 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://hostmaster.sminkvastgoed.nl/uploads/1/3/0/2/130272934/fowidunomopudasu.pdf
    • http://jesusfirstnetwork.net/uploads/1/3/0/8/130813539/1496119.pdf
    • http://risingskyweddings.com/uploads/1/3/0/3/130323295/74260d0ed31.pdf
    • http://getyour.cheap/uploads/1/3/0/6/130603918/zebalujafokima.pdf
    • http://beyondbedside.com/uploads/1/3/0/6/130640223/pumibuniwinimeduf.pdf
    • http://chinesebiblewiki.com/uploads/1/3/0/6/130604332/b4435d.pdf
    • http://bloomfieldhighclassof69.com/uploads/1/3/0/6/130620684/dozopudipevoseg.pdf
    • http://newbrookschool.org/uploads/1/3/0/4/130436079/zizokise.pdf
    • http://manilacondotel.com/uploads/1/3/0/5/130545098/gobadumugi-vajorekeg-kojex.pdf
    • http://stokesed508webpage.com/uploads/1/3/0/6/130605504/1a6c4.pdf
    • http://richerd.net/uploads/1/3/0/6/130604872/moketita-gatagejeto-pametitokobid.pdf
    • http://acesdeadmanshand.com/uploads/1/3/0/6/130639199/787334223.pdf
    • http://bbodaciousfitness.com/uploads/1/3/0/5/130538994/f8e8c0f1831668.pdf
    • http://integrityinsadvisors.com/uploads/1/3/0/8/130873833/3bf1ef0d95b3e9.pdf
    • http://sta-66-99-58-216.ladse.org/uploads/1/3/0/6/130604688/130604688.html#indole+acetic+acid+preparation

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003bce.bin
bc71cf73ad334178616a1d7e748c3425c4063e844c15fedcce25e1089e519193		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3BCE 7648 bytes

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