Malicious PDF — malware analysis report

Static analysis result for SHA-256 7f41b20ea0d2187f…

MALICIOUS

PDF

37.9 KB Authoring application: Karbon First seen: 2020-08-25
MD5: 32cd0b568043b3bc85e3c9b49cc2fdae SHA-1: 93643fad5cc563e90e2a3b1d0982f17688be20ac SHA-256: 7f41b20ea0d2187f4af5d6b2d673ef5730595885afd2f6928cf41b079201d336
152 Risk Score

Malware Insights

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

The PDF contains a link farm of external PDF files, identified by the PDF_SEO_LINK_FARM heuristic, suggesting a phishing or malware distribution attempt. The embedded URLs point to various PDF files hosted on potentially compromised websites. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware delivery.

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://strawberrygoosephotography.com/uploads/1/3/0/3/130313271/pusufez.pdf In PDF document text
    • http://puz.crimeacadastre.ru/uploads/2020/01/29/mupizebokuni.pdfIn PDF document text
    • http://masterlibrary-staging.com/uploads/1/3/0/4/130476359/1777263.pdfIn PDF document text
    • http://bawun.evanstonfcu.com/uploads/2020/01/27/875857.pdfIn PDF document text
    • https://karijufube.weebly.com/uploads/1/3/0/4/130476079/2729256.pdfIn PDF document text
    • http://portbreton.com/uploads/2020/01/27/balufasimunuri.pdfIn PDF document text
    • http://tecladomusicinstitute.com/uploads/1/3/0/3/130313150/130313150.html#lal+chunariya+full+songIn 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 3

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_off000010a7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10A7 7916 bytes
SHA-256: 39c16cb01d1f112ea403f9bcc8ee16f7b46ad7fdfe924f851a322e6b40bdcac4
font_01_sfnt_off00004f00.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4F00 2860 bytes
SHA-256: 6ab1cd4d17ab349fbdd09211a36a2a1dc4518bd4dc087255357134f3c7815bc3
font_02_sfnt_off0000585e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x585E 2028 bytes
SHA-256: ea06ecb031d4451bda1c735f45ffcc7ae8c2727a548f4de40ad6c49faff177a3

Open this report in the interactive analyzer, or submit your own file for analysis.