Malicious PDF — malware analysis report

Static analysis result for SHA-256 30f7bd79f03f90f6…

MALICIOUS

PDF

39.2 KB Authoring application: Poppler-utils
MD5: fe49d46db775b994e6c7409bfb609e5b SHA-1: 211ede0be47a0eee4876f54914c4d693f8277747 SHA-256: 30f7bd79f03f90f6e52964aa87d21ca3fe105241f56004c6122fceff705010a5
120 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, identified as a 'PDF_SEO_LINK_FARM' heuristic. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further indicates a phishing or malicious intent. The embedded URLs point to various PDF files, suggesting a link farm designed to redirect users to potentially malicious content. No scripts were extracted, and the document body content is largely unreadable binary data.

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://niyahj.com/uploads/1/3/0/6/130621937/renapuruxipubu.pdf
    • http://tentmakers.co/uploads/1/3/0/6/130621219/bijilafem-falipe-tivubif-lulef.pdf
    • https://gixofulil.weebly.com/uploads/1/3/0/4/130488924/8321097.pdf
    • http://modetina.weebly.com/uploads/1/3/0/6/130639143/xuboxukuwixu-sebirebeba.pdf
    • http://mrsdavisswghs.com/uploads/1/3/0/5/130538838/bejuvemegowuj-bideva-sevikeri-gidekufisonatug.pdf
    • https://tipimofugera.weebly.com/uploads/1/3/0/5/130589389/wetojawowi.pdf
    • http://zambiasafarihunting.com/uploads/1/3/0/3/130379317/130379317.html#catia+v5+textbook+pdf

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000110a.bin
e3107fc06b9ecac3b192a85c997f8b7daaa284c9899b03b545ddb62398098865		 pdf-font-stream PDF embedded font (sfnt) at offset 0x110A 8088 bytes

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