Malicious PDF — malware analysis report

Static analysis result for SHA-256 92fa64345b96458e…

MALICIOUS

PDF

38.5 KB Authoring application: QPDF
MD5: 60f9591b104be43c7aa92231336d5407 SHA-1: 4e587e7062100cba366ab7bdc783392fc8a89d52 SHA-256: 92fa64345b96458ea7864a40b07b239b7a65eea74036476a5898740dcd2ad610
120 Risk Score

Malware Insights

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

The PDF file contains a large number of external links to other PDF files hosted on various domains. This behavior is indicative of a link farm, often used for SEO manipulation or to distribute malicious payloads. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or malicious distribution intent. The document body, though heavily obfuscated, contains text related to maps and climate, suggesting a lure to disguise the malicious link distribution.

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://mistershaky.com/uploads/1/3/0/5/130550742/mutanafan.pdf
    • http://crosswordpower.com/uploads/1/3/0/4/130476423/fenuwazeli.pdf
    • http://thecollecktive.com/uploads/1/3/0/3/130313177/pikasabi.pdf
    • http://nogenetix.com/uploads/1/3/0/7/130775866/puzenebuzonedidedowi.pdf
    • http://autodiscover.avianexotichospital.com/uploads/1/3/0/7/130739290/dexakobakanevikupur.pdf
    • http://holidaysticky.com/uploads/1/3/0/7/130739340/4c5198c00d7665.pdf
    • http://picturesbygerry.co.uk/uploads/1/3/0/5/130539933/wawidaledepuzofejud.pdf
    • http://opaillenqueue.com/uploads/1/3/0/6/130639318/gonobasowomatuj_molaten.pdf
    • http://postmaster.matchpro.nl/uploads/1/3/0/8/130873781/fowekudulowu-mitawi-kamewalowiramo.pdf
    • http://lemonews.com/uploads/1/3/0/7/130775191/kuwisojolula.pdf
    • http://feilvbinbaijialemianfeishiwan.br3h.com/uploads/1/3/0/2/130287318/130287318.html#mapa+fisico+de+la+antartida+mudo+para+imprimir
    • http://autodiscover.avianexotichospital.com/uploads/1/3/0/7/130739290/dexako

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002cec.bin
b8d25675fc030d92b24a06d7f54236cc2ed5fcda5458af208fb78c892415f154		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CEC 3972 bytes
font_01_sfnt_off00003e2b.bin
cd2a9705c41c4a6f671cd341677501f0bc85eddea51c3e5647391049496a5954		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3E2B 9172 bytes

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