Malicious PDF — malware analysis report

Static analysis result for SHA-256 7c225f164cf22a44…

MALICIOUS

PDF

36.0 KB Authoring application: GIMP First seen: 2020-09-24
MD5: bdbafc090603566e46a35cd51c3cd1e2 SHA-1: 06f9cca6880f29e8db8b7a32dc2252abb21c80b0 SHA-256: 7c225f164cf22a443fcd65bcf2b815920ac81566cd71fa08cd5774ddd4f5f3ab
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to numerous PDF files hosted on various domains, suggesting a coordinated effort to distribute content or manipulate search engine results. The ML classifier and ClamAV also flagged this file as malicious, reinforcing the suspicious nature of the link farm.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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://ulstl-org.ulstl.com/uploads/1/3/0/8/130814063/3084413.pdf In PDF document text
    • http://lift4life.com/uploads/1/3/0/6/130604638/fepufi-sofemero-bukivoxemime-nakebusuvakez.pdfIn PDF document text
    • http://www.sirwaddlesworths.com/uploads/1/3/0/7/130775401/mikagi.pdfIn PDF document text
    • http://alfnevents.org/uploads/1/3/0/2/130289686/rixojeb.pdfIn PDF document text
    • http://simpliwebdesign.tech/uploads/1/3/0/5/130588248/pewojofejuwerovid.pdfIn PDF document text
    • http://cfomtg.com/uploads/1/3/0/6/130621832/wuxuv_kejifo.pdfIn PDF document text
    • http://www.woodwardtravel.com/uploads/1/3/0/5/130550716/kaxovakomufux.pdfIn PDF document text
    • http://landhawk.com/uploads/1/3/0/5/130589115/zewewasefaduwumaniza.pdfIn PDF document text
    • http://nickreese.net/uploads/1/3/0/7/130776656/lerugolurevuxar.pdfIn PDF document text
    • http://nathanpeachey.com/uploads/1/3/0/6/130604595/xojunesimovaf_raroj_rojoxix.pdfIn PDF document text
    • http://anewkindofhigh.com/uploads/1/3/0/7/130740212/891503.pdfIn PDF document text
    • http://dantothofficial.com/uploads/1/3/0/3/130313383/1ed276f.pdfIn PDF document text
    • http://trendspotr.com/uploads/1/3/0/8/130815664/ab6b23.pdfIn PDF document text
    • http://hosierygirl.com/uploads/1/3/0/7/130739000/losesagozifore.pdfIn PDF document text
    • http://mudancareal.org/uploads/1/3/0/4/130435839/7003174.pdfIn PDF document text
    • http://host19.carmichaelnl.com/uploads/1/3/0/6/130639349/130639349.html#trx+tricep+workoutIn PDF document text
🗂 Part of campaign: cfomtg.com 4 samples

Related samples 3

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

Full JSON: related samples API

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000328d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x328D 7820 bytes
SHA-256: 19ee8aaf00143bb87654a9cc15a821a504d259f174bc9c962ccc3b1c376fa813

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