Malicious PDF — malware analysis report

Static analysis result for SHA-256 a33638af71145233…

MALICIOUS

PDF

47.5 KB Authoring application: ImageMagick First seen: 2020-09-07
MD5: 782249ee9dfbff46afe01bbff785eba3 SHA-1: aa44e0e5c8fd29f5bbb212456fe8c4ea31514687 SHA-256: a33638af711452336cc26d33a823e81f153ad4d65d9df111572656d550ff6c29
152 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.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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.
  • 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 In PDF document text
    • http://apkzebra.com/uploads/1/3/0/4/130476880/dojezupitizemakew.pdfIn PDF document text
    • http://trinityjamestown.net/uploads/1/3/0/5/130589310/3176552.pdfIn PDF document text
    • http://assortedartistries.net/uploads/1/3/0/4/130435962/1f82569ba56.pdfIn PDF document text
    • http://bestsellersdeal.nl/uploads/1/3/0/6/130604200/2452037.pdfIn PDF document text
    • http://puzzlescleaning.com/uploads/1/3/0/5/130590143/e3d4ef.pdfIn PDF document text
    • http://zibud.kovriki.online/uploads/2020/01/27/7309864.pdfIn PDF document text
    • http://brownforillinois.com/uploads/1/3/0/2/130274076/vavotiwokulo.pdfIn PDF document text
    • http://newmexicofashioninfo.com/uploads/1/3/0/3/130313383/2681860.pdfIn PDF document text
    • http://carlamaebailey.com/uploads/1/3/0/6/130620701/19820e8ed1b.pdfIn PDF document text
    • http://multistreams.com/uploads/1/3/0/5/130590653/130590653.html#itil+for+dummies+youtubeIn PDF document text
    • http://linux.thai.net/projects/fonts-tlwgIn PDF document text
    • http://www.thaitux.infoIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000126a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x126A 8756 bytes
SHA-256: 94fa6b8d4cc867893134c12054c3fd9b61961fb777283a92d5fec41e11ca8b6f
font_01_sfnt_off000071f3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x71F3 10292 bytes
SHA-256: c7143368894299a997ed09f05024df052d964886bc902d598de4a6791c50751f

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