Malicious PDF — malware analysis report

Static analysis result for SHA-256 38df7358c4b9e92b…

MALICIOUS

PDF

38.0 KB Created: 2020-03-31 00:02:03 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 512396359b36a47e21f56d188a72cb93 SHA-1: c63bb4f9993ad1d0859ac9e9c9fd1d9f960b9978 SHA-256: 38df7358c4b9e92bd053fb7ec44c01740cfc0089d158fc37a74f6b5f90c273a2
122 Risk Score

Malware Insights

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

The PDF contains a large number of external links, many of which are dynamically generated and point to other PDFs, indicating a link farm or SEO spam tactic. The ClamAV detection as 'Pdf.Dropper.Agent-8029265-0' further supports its malicious nature. The document body, though partially corrupted, suggests a lure related to educational content ('comparing mitosis and meiosis worksheet pdf'). The primary function appears to be redirecting users to a network of malicious websites.

Heuristics 4

  • 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.Dropper.Agent-8029265-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-8029265-0
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://timeframingconsulting.com/uploads/1/3/0/7/130776100/130776100.html#comparing+mitosis+and+meiosis+worksheet+pdf
    • http://ambitsolutions.org/uploads/1/3/0/7/130739221/ragub-waxume-vutaxete-dugatavezo.pdf
    • http://ahomeservices.org/uploads/1/3/0/5/130588297/tumuxagu-jemokik-kimuxiliga-fedagorizetuwu.pdf
    • http://melisaangulo.com/uploads/1/3/0/7/130738512/36eca.pdf
    • http://adanfinancial.com/uploads/1/3/1/0/131070866/tewigaka.pdf
    • http://caringformothers.com/uploads/1/3/1/3/131384679/7653244.pdf
    • http://rever-energy.biz/uploads/1/3/0/5/130551457/787101.pdf
    • http://retroproskc.com/uploads/1/3/1/4/131437503/walar-gowivaju-natewi-venoro.pdf
    • http://naturallytamar.com/uploads/1/3/0/6/130640172/nonuzurularevakevem.pdf
    • http://taleinthetail.com/uploads/1/3/0/8/130814285/9905829.pdf
    • http://cosplaydirect4u.com/uploads/1/3/0/8/130874289/8114503.pdf
    • http://primeoccupationaltherapy.com/uploads/1/3/0/6/130639023/3739591.pdf
    • http://nickumelectric.com/uploads/1/3/0/3/130324005/kujadipaf_fopuxazalutodad_wepelira.pdf
    • http://abtirsalvagecompany.com/uploads/1/3/0/4/130477146/gegaxurukik.pdf
    • http://littlerocktaxiservice.com/uploads/1/3/0/4/130476672/vizewimerivan.pdf
    • http://partyzanmusic.net/uploads/1/3/0/7/130739627/136bedb9.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006d49.bin
2b904d1ea4addacb52aa1481000db016f25f434f9e17a8b2080ba30ed4a3d9c2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6D49 7544 bytes

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