Malicious PDF — malware analysis report

Static analysis result for SHA-256 0f80e60539e908b0…

MALICIOUS

PDF

59.6 KB Authoring application: PDFedit
MD5: 1825fbdfe000e0646ad5d4ee7b12d9ca SHA-1: a7255792c35ca4874f8448f5f918ba57d43213bd SHA-256: 0f80e60539e908b05eb8d9682305cb9268666700e4a9908eab51ebcce31df836
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs, indicating a link farm likely used for SEO spam or to distribute further malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, consistent with a phishing or malware distribution scheme.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • 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.
  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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://fettie.net/uploads/1/3/0/2/130291673/molumerin_lujamunu_merufo.pdf
    • http://superiorpoolonline.com/uploads/1/3/0/4/130476378/vujexobavav-gukivatanena-xadakepivexof-mirufunezosik.pdf
    • http://coin-hours.com/uploads/1/3/0/8/130874610/8852630.pdf
    • http://primeamazon.net/uploads/1/3/0/6/130603814/nadeko_wexelawuz_sutatubupop_womiwejigumetil.pdf
    • http://mommyandbeeboutique.com/uploads/1/3/0/6/130621794/bd4220.pdf
    • http://savureb.store/uploads/1/3/0/8/130813757/lukutagirinib_wanefo.pdf
    • http://www.gavrochegames.com/uploads/1/3/0/7/130775435/pisolutuxuxabewi.pdf
    • http://www.botoxdoylestown.com/uploads/1/3/0/4/130436236/vebibirekigus.pdf
    • http://oxe1.com/uploads/1/3/0/6/130621740/7625017.pdf
    • http://clientdash.co/uploads/1/3/0/5/130551229/9625291.pdf
    • http://www.snapchatwellbeing.com/uploads/1/3/0/7/130775334/6562972c5c.pdf
    • http://shipfree.me/uploads/1/3/0/7/130775905/d09aec6.pdf
    • http://temperamentsart.com/uploads/1/3/0/5/130547515/titokobirerobeso.pdf
    • http://medwellcoaching.com/uploads/1/3/0/7/130739175/kepul.pdf
    • http://chrisusey.com/uploads/1/3/0/7/130776819/regukupesagogi.pdf
    • http://www.crediarc.mx/uploads/1/3/0/6/130605036/3757418.pdf
    • http://seetheworldtravel.voyagerwebsites.com/uploads/1/3/0/5/130547689/130547689.html#sql+query+optimization+techniques+in+sql+server

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001372.bin
ce46e763516f6d6dd2ab6592a22bff30c1e6d43bf71cb3fcdb6d6afaa34561d9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1372 8896 bytes
font_01_sfnt_off0000ab38.bin
83459e82cebe561b9e65dda6a09953c9e35f75e5df0fa62a624e1833cc5b8086		 pdf-font-stream PDF embedded font (sfnt) at offset 0xAB38 1708 bytes

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