Malicious PDF — malware analysis report

Static analysis result for SHA-256 8c45cb254907e5d3…

MALICIOUS

PDF

39.5 KB Authoring application: PDFedit
MD5: 93183c61069557b5268eaf3c45937c24 SHA-1: ee1f0666a69bd6822e326e608b7f1bc8a91556d1 SHA-256: 8c45cb254907e5d37231101e64b52ff473fa171bee764ab16819d98dd6c568cd
120 Risk Score

Malware Insights

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

The PDF contains a significant number of embedded external links, a technique often used for SEO poisoning or to redirect users to phishing or malware distribution sites. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or malicious redirection intent. No scripts were extracted, limiting the analysis of direct payload execution.

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://nightbluesystems.net/uploads/1/3/0/5/130551041/lefupelidokaw.pdf
    • http://splintergeneration.com/uploads/1/3/0/4/130478374/suvok_wimaref_zewapif_rukexogav.pdf
    • http://morenoguerrero.com/uploads/1/3/0/6/130639105/kodew.pdf
    • http://babywhoopsie.com/uploads/1/3/0/2/130288481/zukol.pdf
    • http://nadlanonline.net/uploads/1/3/0/5/130538842/wegugadopaz.pdf
    • https://zofaxodazidol.weebly.com/uploads/1/3/0/3/130323599/18b4c.pdf
    • http://dandglettings.com/uploads/1/3/0/4/130479008/1527231.pdf
    • http://mobilecraftbottlingcompany.com/uploads/1/3/0/3/130379075/0550399.pdf
    • http://drpatty.net/uploads/1/3/0/7/130739037/130739037.html#merriam+webster+advanced+learner+english+dictionary+online

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000013ff.bin
bc2a8407d2acaf5a1bd51b0609093b5ee46a0654a0259d6ce7d76fee536238a0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x13FF 8844 bytes
font_01_sfnt_off00005338.bin
870c07c3dd95548dfa53f0e9f642a2e1c7b3af698a5694648b0962297eefdcb8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5338 16224 bytes

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