Malicious PDF — malware analysis report

Static analysis result for SHA-256 88365ff076ee84cb…

MALICIOUS

PDF

31.2 KB Authoring application: Serif PagePlus
MD5: 8cf7c3a1d80753c91fd234f74a138af8 SHA-1: 2defcc938f8acd029a1772ae85f7d3046beaa9f3 SHA-256: 88365ff076ee84cbab113ebff56db9b7bf70d712f65143325a325f1bdd5afa38
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded URLs pointing to other PDF files hosted on various domains. This pattern is indicative of a link farm or a distribution mechanism for further malicious content, as suggested by the 'PDF_SEO_LINK_FARM' heuristic and ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0'. The document body text is minimal and does not provide further clues about the specific lure.

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://freespiritsewingstudio.com/uploads/1/3/0/5/130550857/4700502.pdf
    • http://muzoemerald.net/uploads/1/3/0/2/130288600/b356beba59a76c.pdf
    • http://millersgardenservicessuffolk.co.uk/uploads/1/3/0/4/130483243/3a452e8a4.pdf
    • http://nsanegriplegendcarscom.com/uploads/1/3/0/5/130588231/545961.pdf
    • https://memopaburox.weebly.com/uploads/1/3/0/5/130551457/bd4f19.pdf
    • http://wokejoke.com/uploads/1/3/0/2/130271217/7471238.pdf
    • http://dianneloftus.com/uploads/1/3/0/4/130476548/f226381ebb9.pdf
    • http://barkersteel.net/uploads/1/3/0/5/130590672/berati.pdf
    • http://calhounheritagep.com/uploads/1/3/0/6/130639071/wulefupowifa.pdf
    • http://xuximaguge.yourbestgame.pw/uploads/2020/01/28/5421131.pdf
    • http://ericamcquiddypsyd.com/uploads/1/3/0/6/130605034/vadikemivek_batugaxiluwabig.pdf
    • http://sweetestdreams.org/uploads/1/3/0/3/130379462/130379462.html#receta+imss+editable+2017

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000012b6.bin
2f326a5000e3d71a36ee693595fad885a1421ebcd099a6d64a7b46e847a83401		 pdf-font-stream PDF embedded font (sfnt) at offset 0x12B6 8376 bytes

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