Malicious PDF — malware analysis report

Static analysis result for SHA-256 112eff531166336f…

MALICIOUS

PDF

37.6 KB Authoring application: Soda PDF First seen: 2020-09-24
MD5: 81d9307be05ba72d2cbca0591f0a72e8 SHA-1: aaa97e55c7acdbce03b0d82112ad25546dc62d4e SHA-256: 112eff531166336f4adcf541254624f1664f5c6bc05d049455d9a2e0668e88aa
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded external links, a technique often used for SEO spam or to redirect users to malicious sites. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or malware distribution. While no scripts were explicitly extracted, the PDF structure and embedded URLs suggest an attempt to leverage external resources for malicious purposes.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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://theduiskeinn.com/uploads/1/3/0/6/130639766/1ee422677a.pdf In PDF document text
    • http://philipejike.com/uploads/1/3/0/5/130539672/c3a29.pdfIn PDF document text
    • http://psychastar.com/uploads/1/3/0/5/130545627/fb234919d52.pdfIn PDF document text
    • http://boujeebbeauty.com/uploads/1/3/0/5/130539934/c7efdcfe0abdc.pdfIn PDF document text
    • http://eurovisual2015.com/uploads/1/3/0/6/130621206/gizekazilikel.pdfIn PDF document text
    • http://drbrewer.net/uploads/1/3/0/4/130483667/0c7c86c.pdfIn PDF document text
    • http://nadiajanssens.weebly.com/uploads/1/3/0/2/130292110/mezilemonof_teduwimuforij.pdfIn PDF document text
    • http://northernlightscoaching.net/uploads/1/3/0/5/130543665/1967449.pdfIn PDF document text
    • http://xile.omgnew168.com/uploads/2020/01/27/1e0e6.pdfIn PDF document text
    • http://overlookatlindberghfinancing.com/uploads/1/3/0/3/130313262/valasikew_betegi_topomoto_wisijan.pdfIn PDF document text
    • http://astrologyandcrystallighttherapy.com/uploads/1/3/0/5/130543168/6667805.pdfIn PDF document text
    • http://nupelicanparty.org/uploads/1/3/0/3/130313070/130313070.html#multiplication+and+division+of+mixed+fractions+worksheetsIn 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_off000012e7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12E7 7832 bytes
SHA-256: af0681ae22f4d060aae6f2831aa41c40d962edc7976c839162aa1961b661b4de
font_01_sfnt_off00005746.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5746 2652 bytes
SHA-256: e2f1373bf3d70a40ff4276a486f0a1d2d32154e4f45ad1243a44c3d3b7d91cea

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