Malicious PDF — malware analysis report

Static analysis result for SHA-256 7742e8cf28a7371f…

MALICIOUS

PDF

34.5 KB Authoring application: PDFedit First seen: 2020-09-24
MD5: ff4f358c2433ba563a7c4b4f47e62ca8 SHA-1: 2b30d67ca05072fa80a41a33be4e713c4c7d0e3d SHA-256: 7742e8cf28a7371ff9ff2e98a18a28f4c4361d44d6066975dd24f3157b585f1e
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a large number of embedded external links, a technique often used for SEO manipulation or to redirect users to malicious sites. The ClamAV detection and ML classifier strongly indicate malicious intent, specifically identified as 'Pdf.Phishing.TtraffRobotInstall-7605656-0'. While no scripts were explicitly extracted, the PDF structure and embedded URLs suggest a phishing or content-farming attack vector.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://jesusloveforyou.com/uploads/1/3/0/2/130288394/dawanizasasa.pdf In PDF document text
    • http://nowmetoo.com/uploads/1/3/0/6/130604735/kizutoxuwakavi.pdfIn PDF document text
    • http://bhamorthopedicacupuncture.com/uploads/1/3/0/6/130621459/wufulozifo-jupoxoxobapal-towozerojab.pdfIn PDF document text
    • http://my-chat-random-thoughts.club/uploads/1/3/0/5/130551211/99d6008086.pdfIn PDF document text
    • http://911-podarok.site/uploads/1/3/0/2/130289334/130289334.html#design+kit+facilitator%27+s+guide+pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://fedoraproject.org/wiki/Licensing/LiberationFontLicenseIn 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_off0000105c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x105C 7708 bytes
SHA-256: 92349ce485597e6a56d6ef6d4ace3ddc60d2a0c484eaa702fca8af41c34d3ea5
font_01_sfnt_off00004b62.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4B62 2696 bytes
SHA-256: b0a6a33381002d1c379ca931d660fe98df7a73518421c8b234b9dc16af60e95a

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