Malicious PDF — malware analysis report

Static analysis result for SHA-256 71a0acf9b8a0a542…

MALICIOUS

PDF

33.6 KB Authoring application: PDF Studio
MD5: 295421a935ab9ee7ba79af70465934c7 SHA-1: da6322cda8fa384f050a7a4d12c5bd24e814f09b SHA-256: 71a0acf9b8a0a542786736d36365420103b99654c554fc985d5463ff4292b718
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of external links, identified as a link farm, pointing to other PDF files hosted on various domains. This technique is often used to obscure the final malicious destination or to distribute malware. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or malware distribution.

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://villagetossandtumble.com/uploads/1/3/0/6/130604458/mawomixizedebe.pdf
    • http://moretoexplore.co/uploads/1/3/0/2/130291702/85438e5ab3.pdf
    • http://baypointvillas.com/uploads/1/3/0/5/130543057/90daa3af.pdf
    • http://thecollectorsoutpost-store.com/uploads/1/3/0/6/130621310/wudawemoz-renivav.pdf
    • http://newflavorhouseinc.com/uploads/1/3/0/7/130775543/jadurati.pdf
    • http://relender.net/uploads/1/3/0/6/130621367/togusupujifif.pdf
    • http://nicolleespinal.com/uploads/1/3/0/6/130640174/jiriwapudidof-gevufobigovef-vifadezu.pdf
    • http://www.sharonsouthallvoiceandpiano.com/uploads/1/3/0/5/130543188/noteja.pdf
    • http://sneaksneakgame.com/uploads/1/3/0/6/130620764/vakakigozuk.pdf
    • http://happily-ever-after.studio/uploads/1/3/0/4/130483550/zomakel.pdf
    • http://wintershallconcerts.co.uk/uploads/1/3/0/6/130620848/b1dfa7dd6250610.pdf
    • http://www.innerkeyhypnotherapy.com/uploads/1/3/0/3/130313783/xurifegolob_vusulonofe.pdf
    • http://hostmaster.petriaseymour.com/uploads/1/3/0/6/130639175/4dffd21044e.pdf
    • http://www.expressoservice.net/uploads/1/3/0/5/130547340/nufixefogapoxazo.pdf
    • http://therockstarwithinyou.com/uploads/1/3/0/6/130639307/897468.pdf
    • http://mrfdfiremens5k.com/uploads/1/3/0/4/130479472/bebixut.pdf
    • http://guanjunyulebaijiale.br3h.com/uploads/1/3/0/2/130287407/130287407.html#namaz+ka+tarika+apk+download

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002668.bin
107ee758a730f0f4b76bae4a466ffde84ce8a76d9111b2fa9d8d8bd2448baf20		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2668 8204 bytes

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