Malicious PDF — malware analysis report

Static analysis result for SHA-256 985e88b544862a0b…

MALICIOUS

PDF

44.2 KB Authoring application: pstoedit First seen: 2021-10-04
MD5: 1b2af7749033ee13fa695e43b8b041f9 SHA-1: 88c99e9f7412aab3c980dc8562d3af43d33274c9 SHA-256: 985e88b544862a0b232bc9559bd4946617050686fbcc30119110fc49e1832b7e
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.

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://kelliecookyoga.com/uploads/1/3/0/4/130435862/a4e98a23906f.pdf In PDF document text
    • http://aiafricatravel.co.za/uploads/1/3/0/2/130292110/c3464f65a3.pdfIn PDF document text
    • http://accreteequitypartners.com/uploads/1/3/0/4/130488301/lutajegusu.pdfIn PDF document text
    • http://thestuff.org/uploads/1/3/0/7/130775455/39bc962.pdfIn PDF document text
    • http://wrshp.co/uploads/1/3/0/4/130435941/buxakotux-newofebozofuwi-rapixelufirufud-dusegex.pdfIn PDF document text
    • http://easytobuyahouse.com/uploads/1/3/0/5/130588487/robobokixokeb_tijirabu.pdfIn PDF document text
    • http://vawujusi.master-byta.ru/uploads/2020/01/28/2190485.pdfIn PDF document text
    • http://litigatingforchange.org/uploads/1/3/0/2/130273610/9232230.pdfIn PDF document text
    • http://cubiocloud.com/uploads/1/3/0/2/130272347/6598484.pdfIn PDF document text
    • http://mrandmrsjenks.com/uploads/1/3/0/5/130540286/adc09.pdfIn PDF document text
    • http://sandrawimbish.org/uploads/1/3/0/5/130588749/3990995.pdfIn PDF document text
    • http://q72spiceco.com/uploads/1/3/0/4/130476556/130476556.html#free+obituary+template+for+newspaperIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000012eb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12EB 8472 bytes
SHA-256: 911ed7965709048f214ee56f0f77a994fc750c509489c1b7126db4152d8d048d

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