Malicious PDF — malware analysis report

Static analysis result for SHA-256 d0e863a5232b59e6…

MALICIOUS

PDF

40.4 KB Authoring application: LibreOffice Draw First seen: 2020-09-24
MD5: 5ebe32d28323e0b9b067c50999ce2673 SHA-1: 3eca158dad7c551a666f0f4b48f119c574aec3fe SHA-256: d0e863a5232b59e65b5444cd22d1c8552cef31999a5cff6acd3cb45ad1c36b0d
152 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, identified as a link farm. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or malicious download intent. The embedded document body text also contains multiple URLs, reinforcing the link farm attack pattern. No scripts were extracted, limiting the analysis of direct payload execution.

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 https://lufutipudeb.weebly.com/uploads/1/3/0/3/130313553/losigofuwer-kusoguzeda-xofabasoraxageb-nanapariwivope.pdf In PDF document text
    • http://juteke.leadbeat.online/uploads/2020/01/27/7c43463.pdfIn PDF document text
    • https://xatukoronixelaw.weebly.com/uploads/1/3/0/5/130590677/bad317a3c7901a.pdfIn PDF document text
    • http://meso-wharton199.ru/uploads/2020/01/29/d4eece6378e.pdfIn PDF document text
    • https://vovupudafilavom.weebly.com/uploads/1/3/0/2/130291572/2804067.pdfIn PDF document text
    • http://vebi.avonbox.ru/uploads/2020/01/29/86da08121b6.pdfIn PDF document text
    • http://wajepusiz.servis-nadom.ru/uploads/2020/01/29/koxukunowipe_zemuka.pdfIn PDF document text
    • https://vazaserakoponer.weebly.com/uploads/1/3/0/3/130323635/e840aaf.pdfIn PDF document text
    • http://1113studios.net/uploads/1/3/0/3/130379237/pubiwedoguge.pdfIn PDF document text
    • http://kilitewin.copyrightcontact-100000659807.com/uploads/2020/01/29/favixe_judedo.pdfIn PDF document text
    • http://bajasharkdiving.com/uploads/1/3/0/4/130483299/130483299.html#libro+el+alquimista+para+descargarIn PDF document text
    • http://linux.thai.net/projects/fonts-tlwgIn PDF document text
    • http://www.thaitux.infoIn PDF document text
🗂 Part of campaign: arshin.online 4 samples

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000131a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x131A 8656 bytes
SHA-256: ad60022de214bb86536ac8decb591cf78f7f78211090740e5d7611090c3a120c
font_01_sfnt_off000056a8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x56A8 9932 bytes
SHA-256: 755bbc8b7a18107f70ebf2c89c643906d2948a914abb20777246feb40b3d96fb