Malicious PDF — malware analysis report

Static analysis result for SHA-256 a9a350da7f82738e…

MALICIOUS

PDF

40.0 KB Authoring application: Smallpdf Desktop
MD5: 7fd79a791fc111a176090f8d562d62e9 SHA-1: a2da66b553de25c782ccc421b22bb922be2da757 SHA-256: a9a350da7f82738e47005d3e055aa2bb124ec271541c8d3ad1054b1251bfa078
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further suggests a malicious intent, likely related to phishing or traffic redirection. The embedded URLs point to various domains, all structured similarly, indicating a coordinated effort to distribute malicious content.

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://mindfulness-et-sport.com/uploads/1/3/0/7/130776367/koroxibeledidibepofe.pdf
    • http://hostmaster.maxinewadhwani.com/uploads/1/3/0/3/130313188/wasepikoxurukivaz.pdf
    • http://creativityismagic.com/uploads/1/3/0/2/130274370/jetuvazubejomumaxoja.pdf
    • http://victoriabrowneholistics.co.uk/uploads/1/3/0/5/130539054/fanudobemugiw.pdf
    • http://notesfromearth.co.uk/uploads/1/3/0/8/130874329/vobopitediwofamun.pdf
    • http://supremenormal.com/uploads/1/3/0/5/130588700/poteresurerinejol.pdf
    • http://freeflightresearch.com/uploads/1/3/0/6/130620248/potiz-zasapat-lodiguforazi.pdf
    • http://www.kimblehomecare.com/uploads/1/3/0/6/130621312/jafixoritinodekafab.pdf
    • http://tigervcamo.com/uploads/1/3/0/4/130490301/niregosi_jamore.pdf
    • http://chicagohealthcareventures.com/uploads/1/3/0/6/130604264/koxasejifowipi.pdf
    • http://mail.chocolatiermatisse.com/uploads/1/3/0/6/130621786/25528.pdf
    • http://ncfash.com/uploads/1/3/0/4/130488833/09e93b5.pdf
    • http://mechapocalypse.net/uploads/1/3/0/4/130476462/lifosazun-konewapi-fewuk.pdf
    • http://threeoakwinery.com/uploads/1/3/0/5/130589299/bd4e42dc49ae5ea.pdf
    • http://www.daoodbutt.com/uploads/1/3/0/8/130873855/tujupujovi.pdf
    • http://outworldwide.net/uploads/1/3/0/5/130588573/wipim.pdf
    • http://sui86.salon225.com/uploads/1/3/0/3/130323513/130323513.html#how+effective+is+emdr+for+complex+ptsd

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004291.bin
8863103ffb07105c7ff2d2b1fa3dfb4878303af43c11906c7becd035b678be4c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4291 7324 bytes

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