Malicious PDF — malware analysis report

Static analysis result for SHA-256 f796c0485b720c7c…

MALICIOUS

PDF

32.7 KB Authoring application: pstoedit First seen: 2020-09-24
MD5: 2ae32ac3f824f735253a66f545378d4a SHA-1: e1c10ba75ab55b5c7a76434a7a6b9d3b5dbfa16b SHA-256: f796c0485b720c7c11b03dc14467c20c928a6d9e285d48d917e54e9427aedbf0
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 User Execution: Malicious File

The PDF contains a large number of embedded links to external PDF files hosted on various domains, a technique often used for SEO poisoning or phishing campaigns. The ClamAV detection and ML classifier strongly indicate malicious intent. The primary attack pattern involves directing users to these external resources, which likely host malicious content or phishing pages.

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://susafis.hlfxdata.online/uploads/2020/01/27/bifawikav.pdf In PDF document text
    • http://osmosistours.com/uploads/1/3/0/5/130588639/5308623.pdfIn PDF document text
    • http://riveflowyoga.com/uploads/1/3/0/3/130313491/7567917.pdfIn PDF document text
    • http://rajadiveisland.com/uploads/1/3/0/2/130289399/1727315.pdfIn PDF document text
    • http://derekloginoffshoretrust.com/uploads/1/3/0/5/130538842/vapiwalesu_zopapemipumej_tarusubebotivuz.pdfIn PDF document text
    • http://tymonmedtransport.com/uploads/1/3/0/6/130620198/gisedonurar.pdfIn PDF document text
    • http://bloomhabits.ru/uploads/2020/01/29/df9723a5732fa.pdfIn PDF document text
    • http://ancientcraftstudio.com/uploads/1/3/0/6/130621703/61f936267514.pdfIn PDF document text
    • https://javojekad.weebly.com/uploads/1/3/0/4/130490665/6378747.pdfIn PDF document text
    • http://nhgahplgsresidency.com/uploads/1/3/0/3/130323185/suvixono_sijifozetas_lefejizixobizi_xuseduri.pdfIn PDF document text
    • http://vimemese.vipiski-besplatno23.icu/uploads/2020/01/27/7978822.pdfIn PDF document text
    • http://nobuhotelmarbella.devsite-1.com/uploads/1/3/0/2/130289458/130289458.html#call+rest+service+using+resttemplateIn PDF document text

Related samples 5

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_off000012de.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12DE 8312 bytes
SHA-256: 0f6d2fb21339a1970b850677f6eb8c5993348111f1a315a5d98cf86321e92d62

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