Malicious PDF — malware analysis report

Static analysis result for SHA-256 9e4e419f72e7dcd7…

MALICIOUS

PDF

37.1 KB Authoring application: PDF Studio
MD5: 66bf959a77dc4af8f41c22de31bf2232 SHA-1: b6975d35019b375685b1814072d6518fb68697fa SHA-256: 9e4e419f72e7dcd7c37b46f15fb0802dd85bdd1b2bebedb3d0dcb5e8f614f055
120 Risk Score

Malware Insights

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

The PDF file was identified 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 content. The document body contains fragmented text related to medical conditions and also includes a subset of these external URLs, reinforcing the lure-based attack pattern.

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://mycryosculpt.com/uploads/1/3/0/3/130323616/satom.pdf
    • http://blkaceau.com/uploads/1/3/0/4/130483833/sazowusinisawiminit.pdf
    • http://jobawuxu.kuhnimsc07.icu/uploads/2020/01/29/b53693928.pdf
    • http://night-at-the-museum-rotary.org/uploads/1/3/0/3/130324420/e231490.pdf
    • http://tradingblockpro.net/uploads/1/3/0/6/130639093/tonoximosagerib_supugupimatelom.pdf
    • http://student-teaching.us/uploads/1/3/0/6/130640220/sosewa_rodedesosep.pdf
    • http://impactwindowreviews.com/uploads/1/3/0/6/130621838/palet.pdf
    • http://offpeaktraining.net/uploads/1/3/0/4/130476976/xeputopivise_zoliluvusi_gebesetonu_reponoxep.pdf
    • http://ednenterprisesllc.com/uploads/1/3/0/5/130550750/0759d.pdf
    • http://wazaves.ohotavkarelii.ru/uploads/2020/01/28/tifilerela.pdf
    • http://itssimplycrystal.com/uploads/1/3/0/7/130776066/vegagezunudi.pdf
    • http://findmoreroom.com/uploads/1/3/0/6/130640060/d2c280c.pdf
    • http://us.momotombochocolatefactory.com/uploads/1/3/0/6/130639863/130639863.html#dissecting+aortic+aneurysm+abdominal+pain

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001332.bin
63af473f03c8357869815ffe039da10fe588e1cc28085fa815af64120456e490		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1332 7712 bytes

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