Malicious PDF — malware analysis report

Static analysis result for SHA-256 1301088bdace8706…

MALICIOUS

PDF

33.8 KB Authoring application: LibreOffice Draw
MD5: ca2a9266fbf04a9465e1419a9e743d5c SHA-1: 78e69fd0a0eed5a06954521d021612dde2738bc3 SHA-256: 1301088bdace8706c66518f92311d5d30cc453ea6233da4c654eb1ff4452a174
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, a technique often used for SEO manipulation or to distribute malicious content. The ClamAV detection and ML classifier strongly indicate malicious intent, specifically identified as 'Pdf.Phishing.TtraffRobotInstall-7605656-0'. No scripts were extracted, but the sheer volume of external links suggests a coordinated effort to redirect users 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://www.scattrbraind.com/uploads/1/3/0/5/130547552/4940834.pdf
    • http://www.kiijarvi.fi/uploads/1/3/0/7/130775306/333fdbdd3.pdf
    • http://kevinryan223.com/uploads/1/3/0/6/130604692/4046609.pdf
    • http://christinafriedle.org/uploads/1/3/0/7/130738714/xatawadusoxovix_lebaviji_tufomukisilo.pdf
    • http://takaraclothing.com.au/uploads/1/3/0/5/130540609/8253715.pdf
    • http://jennadmassage.com/uploads/1/3/0/5/130590463/9974161.pdf
    • http://www.vintagecityfinds.com/uploads/1/3/0/7/130739153/6608524.pdf
    • http://caskmutation.org/uploads/1/3/0/6/130622042/2874246.pdf
    • http://thesquirrelsnest.net/uploads/1/3/0/4/130490461/nufaduzakesatero.pdf
    • http://www.lulufashionfixx.com/uploads/1/3/0/4/130476068/018765541.pdf
    • http://vallonzek.com/uploads/1/3/0/2/130271051/dejigofasarab.pdf
    • http://www.fivelakeskitchenandbath.com/uploads/1/3/0/4/130483550/duvarevofote.pdf
    • http://www.bridesburgoc.com/uploads/1/3/0/4/130436209/fd0ada45f44.pdf
    • http://newimagerenovations.com/uploads/1/3/0/7/130775953/7c80e6bb.pdf
    • http://heyyallsouthern.shop/uploads/1/3/0/6/130621325/xukad.pdf
    • http://brandmyvibe.com/uploads/1/3/0/5/130588656/130588656.html#excuse+letter+for+being+absent+in+work+due+to+illness

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002b2f.bin
e7d55264f7220c74076a0a80504b263c12d9913b2ab30918d61602efda548817		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B2F 7208 bytes

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