Malicious PDF — malware analysis report

Static analysis result for SHA-256 466b9c1c13e03ea4…

MALICIOUS

PDF

52.4 KB Authoring application: Mobipocket Creator First seen: 2020-09-24
MD5: 6bc46b10fb16e4aee5f1d67ac70be26f SHA-1: 36084d74ea5c653774d4c4c9e84dd82b9ae32149 SHA-256: 466b9c1c13e03ea403f3082e3546ad8a80d14c55e2af90c7c37593eb21a47c92
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file was detected by ClamAV as Pdf.Phishing.TtraffRobotInstall-7605656-0. Static analysis revealed a large number of embedded external links, indicating a link farm. The document body contains text related to health conditions, likely a lure to encourage users to click on the embedded links.

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://schmotzmann.com/uploads/1/3/0/6/130640107/wowawakel_tebowagutosepe_zaxoma.pdf In PDF document text
    • http://lashesbyalyssaabq.com/uploads/1/3/0/7/130738805/fixerararowoka.pdfIn PDF document text
    • http://zinoxonugo.womens-news.ru/uploads/2020/01/27/rimadifugavigotina.pdfIn PDF document text
    • http://mysmartptt.com/uploads/1/3/0/6/130639608/1565975.pdfIn PDF document text
    • http://o2smallhouse.com/uploads/1/3/0/2/130270742/sobaw-feforu-sewusizololag-dibizugufosujuf.pdfIn PDF document text
    • http://nicacov.org/uploads/1/3/0/6/130639524/5506466.pdfIn PDF document text
    • http://mikkelsendigital.com/uploads/1/3/0/3/130379142/2936745.pdfIn PDF document text
    • http://miracleinabucket.com/uploads/1/3/0/7/130740183/130740183.html#achilles+tendon+stretching+for+plantar+fasciitis.+is+it+effectiveIn PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Related samples 8

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

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000011be.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11BE 8000 bytes
SHA-256: e7755e00249a7005a11c984f2a747f174cfa1dc1909976246321e6d8cedf4969
font_01_sfnt_off00007f08.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7F08 1704 bytes
SHA-256: a2f0e64d6975656d959a0794b9a965349b6a87240c16eb122ddb64596f86590d
font_02_sfnt_off000086f4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x86F4 16036 bytes
SHA-256: 779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63

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