Malicious PDF — malware analysis report

Static analysis result for SHA-256 4b483bc869f54023…

MALICIOUS

PDF

39.2 KB Authoring application: Pdftk First seen: 2020-09-24
MD5: 9b27a19f6ac24b88c0c6f0d1d39376d0 SHA-1: d13a8d1b513855193a7fc6db18eca2bf0d67848b SHA-256: 4b483bc869f5402315a26ac650e3a23a653997f68ef31dcec06999bfd43d3caa
152 Risk Score

Malware Insights

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

The PDF file was flagged by multiple heuristics, including ClamAV and an ML classifier, for being malicious. The critical PDF_SEO_LINK_FARM heuristic indicates the presence of numerous external links, with the primary domain being www.harvestmoonfallfestival.com. This suggests the document's purpose is to lure users to click on these links, likely leading to phishing sites or further malware downloads. No scripts were extracted from this sample.

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://www.harvestmoonfallfestival.com/uploads/1/3/0/7/130739831/buxafulevog.pdf In PDF document text
    • http://marinaruss.net/uploads/1/3/0/8/130814169/sajabazolotesa_kukemepapilaf_puxepu.pdfIn PDF document text
    • http://mofflongboards.com/uploads/1/3/0/6/130621776/jozuxeg-xinikurojavi-fipagu.pdfIn PDF document text
    • http://mamaaquilino.com/uploads/1/3/0/3/130323631/nokudaroxevozuw.pdfIn PDF document text
    • http://notariusz.sosnowiec.pl/uploads/1/3/0/9/130969825/jepagirax.pdfIn PDF document text
    • http://cissoise.com/uploads/1/3/0/5/130589260/rolejapuzejipab_rimejanil_tudewopeduluxu_fasoxu.pdfIn PDF document text
    • http://prestigeholdingllc.com/uploads/1/3/0/7/130776462/xixogag_nibuzirewed.pdfIn PDF document text
    • http://gigglespalace.com/uploads/1/3/0/6/130604361/7467701.pdfIn PDF document text
    • http://budaslim.com/uploads/1/3/0/8/130873916/datavujuxusu.pdfIn PDF document text
    • http://breathingzonetechnologies.org/uploads/1/3/0/5/130551287/lesorebar.pdfIn PDF document text
    • http://local225bbq.com/uploads/1/3/0/5/130539450/6061496.pdfIn PDF document text
    • http://accountingrockstars.com/uploads/1/3/0/4/130476720/jejawi.pdfIn PDF document text
    • http://mlkgrandjunction.com/uploads/1/3/0/3/130313130/lalapomez.pdfIn PDF document text
    • http://xt2i7j.bdgct.com/uploads/1/3/0/8/130814238/130814238.html#emdr+institute+francine+shapiroIn PDF document text

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_off00003e51.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3E51 8668 bytes
SHA-256: 50d649853c77b9423a5719ad0122fc75bce916ce8f1325a406721a0b6c87092c

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