Malicious PDF — malware analysis report

Static analysis result for SHA-256 a33638af71145233…

MALICIOUS

PDF

47.5 KB Authoring application: ImageMagick
MD5: 782249ee9dfbff46afe01bbff785eba3 SHA-1: aa44e0e5c8fd29f5bbb212456fe8c4ea31514687 SHA-256: a33638af711452336cc26d33a823e81f153ad4d65d9df111572656d550ff6c29
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded URLs pointing to external PDF documents, a technique often used for SEO manipulation or to distribute malicious payloads. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or traffic redirection intent. No scripts were extracted from this sample, limiting the ability to determine specific payload delivery mechanisms.

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://preservelegalsolutions.com/uploads/1/3/0/6/130604350/4adc8.pdf
    • http://apkzebra.com/uploads/1/3/0/4/130476880/dojezupitizemakew.pdf
    • http://trinityjamestown.net/uploads/1/3/0/5/130589310/3176552.pdf
    • http://assortedartistries.net/uploads/1/3/0/4/130435962/1f82569ba56.pdf
    • http://bestsellersdeal.nl/uploads/1/3/0/6/130604200/2452037.pdf
    • http://puzzlescleaning.com/uploads/1/3/0/5/130590143/e3d4ef.pdf
    • http://zibud.kovriki.online/uploads/2020/01/27/7309864.pdf
    • http://brownforillinois.com/uploads/1/3/0/2/130274076/vavotiwokulo.pdf
    • http://newmexicofashioninfo.com/uploads/1/3/0/3/130313383/2681860.pdf
    • http://carlamaebailey.com/uploads/1/3/0/6/130620701/19820e8ed1b.pdf
    • http://multistreams.com/uploads/1/3/0/5/130590653/130590653.html#itil+for+dummies+youtube

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000126a.bin
94fa6b8d4cc867893134c12054c3fd9b61961fb777283a92d5fec41e11ca8b6f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x126A 8756 bytes
font_01_sfnt_off000071f3.bin
c7143368894299a997ed09f05024df052d964886bc902d598de4a6791c50751f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x71F3 10292 bytes

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