Malicious PDF — malware analysis report

Static analysis result for SHA-256 f8c8a1de427dafe9…

MALICIOUS

PDF

46.2 KB Authoring application: Scribus
MD5: 4976bf4d41ebf320dcf411c196643f66 SHA-1: 92fb6f8dbafb558d9e5443b8a1c47856699a58af SHA-256: f8c8a1de427dafe994a1c77f8c6b38c3580d27c874f4e2269a5f2449e2ec7052
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, as indicated by the PDF_SEO_LINK_FARM heuristic. The primary URL, http://mickeyinminutes.net/uploads/1/3/0/5/130590535/525e244d.pdf, is part of this link farm. This technique is often used to manipulate search engine results or to distribute malicious payloads through seemingly benign documents. The ClamAV detection further supports its malicious nature.

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://mickeyinminutes.net/uploads/1/3/0/5/130590535/525e244d.pdf
    • https://tonijatajazuwo.weebly.com/uploads/1/3/0/3/130313203/falixenogirewidom.pdf
    • http://hawthorneblossoms.com/uploads/1/3/0/2/130289409/lazakoju.pdf
    • http://epiccodingmusic.com/uploads/1/3/0/5/130589328/puxosipamukik-zijegafituwi-nanudizakuf.pdf
    • http://kigginsco.com/uploads/1/3/0/5/130550854/974a3f88806.pdf
    • http://clinicalsupervisionmsw.com/uploads/1/3/0/7/130775923/zaratatixaguxag.pdf
    • http://rashbiprayers.com/uploads/1/3/0/4/130488661/pufitajol.pdf
    • http://mexicoluminaria.com/uploads/1/3/0/4/130483842/natemizavegapok.pdf
    • http://redhoteyebrows.com/uploads/1/3/0/6/130620996/wavixebopaloke-zilijowiw-powubug.pdf
    • http://rollnrock.com/uploads/1/3/0/6/130639884/fapepepuri.pdf
    • https://bitedobiga.weebly.com/uploads/1/3/0/5/130538937/1bedbfe343b1af.pdf
    • http://tattoovictoriatexas.com/uploads/1/3/0/6/130621075/130621075.html#what+is+the+remedy+for+acne+vulgaris

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000012d2.bin
f31441980c0276164986a05e5bf6341cff823c66da80766993a6dd0713e57d4d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x12D2 7752 bytes

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