Malicious PDF — malware analysis report

Static analysis result for SHA-256 d70adacbd6542737…

MALICIOUS

PDF

39.9 KB Authoring application: Adobe PDF Library 9.0
MD5: bf7efbd96a8b8290323fcc9c95f2a884 SHA-1: 7f8faf44ef0bee190bf6bebb4980ceaa63347cfa SHA-256: d70adacbd6542737a4b07bbd0b65a9a7bfa7714b0fe9e0f52499a91c7b485f8d
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of external links, with the primary URL pointing to 'victordata.net'. This behavior is indicative of a link farm or a phishing lure. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and the ML classifier strongly suggest malicious intent. The embedded URLs are likely used to redirect users to malicious content or further stages of an attack.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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://victordata.net/uploads/1/3/0/6/130604910/4154964.pdf
    • http://mybestpets.weebly.com/uploads/1/3/0/5/130590321/pepixide_falusap_pidevavapadob_volaxitutunimol.pdf
    • http://my-minis.com/uploads/1/3/0/4/130490681/a56b390c8ad7.pdf
    • http://skiappartement-saintgervais.com/uploads/1/3/0/3/130379082/9536311.pdf
    • http://dreamlandstudios.org/uploads/1/3/0/6/130603771/7ba2a5e3.pdf
    • http://mikesfamoussteaksandsubs.com/uploads/1/3/0/3/130313127/2337379.pdf
    • http://dianesabo.com/uploads/1/3/0/3/130323092/7162884.pdf
    • http://theroverchasefoundation.com/uploads/1/3/0/3/130313426/zebitusifosomesagoja.pdf
    • http://collinforcouncil.com/uploads/1/3/0/6/130604874/migiduwetimefobo.pdf
    • http://mysoundcollective.com/uploads/1/3/0/6/130621355/130621355.html#how+to+reply+job+approval+email

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000013e9.bin
cd91b5034b3d1310045f917c919e25a30dca3ca3d3549bf6c1166fcb3f288562		 pdf-font-stream PDF embedded font (sfnt) at offset 0x13E9 8764 bytes

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