Malicious PDF — malware analysis report

Static analysis result for SHA-256 4d6f298da648968f…

MALICIOUS

PDF

37.5 KB Authoring application: Serif PagePlus
MD5: 64f50404bcce06a45cd64e1b5ea08789 SHA-1: c3e1796f18a57f43c8495f630b1adafaa214d491 SHA-256: 4d6f298da648968f304876566e19bb31a5f8234093de47857a7f57c4803f67fc
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links to external PDF documents hosted on various domains. This behavior is indicative of SEO poisoning or a phishing campaign designed to drive traffic to malicious or deceptive content. The ClamAV detection further supports its malicious nature. No scripts were extracted from this sample.

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://robertdwilkens.tech/uploads/1/3/0/4/130476309/basizugagejuw.pdf
    • http://northstarpropertiesct.com/uploads/1/3/0/5/130542953/2d3d2a4bd138b8f.pdf
    • http://saferescuefordogs.com/uploads/1/3/0/8/130815140/3394c9d7a9a0c7.pdf
    • http://retojuanalainez.com/uploads/1/3/0/4/130491932/3513550.pdf
    • http://sappystrees.com/uploads/1/3/0/8/130874073/pewofedosaruvu-nefosomebip-kagozonofaju.pdf
    • http://rescuefog.com/uploads/1/3/0/7/130775172/6816183.pdf
    • http://shopgoodplant.com/uploads/1/3/0/5/130540609/a4c2a76841.pdf
    • http://mail.retailspos.com/uploads/1/3/0/6/130621776/ec8366aac1177.pdf
    • http://www.forevermydeck.com/uploads/1/3/0/6/130622103/pupaterar_jetuwevuzetel.pdf
    • http://countylinelogisticscenter.com/uploads/1/3/0/5/130550764/a4b7712.pdf
    • http://myblackenterprise.com/uploads/1/3/0/4/130490378/fesokivuma-narera-fuvinesegalose-semawog.pdf
    • http://suitsforteens.org/uploads/1/3/0/7/130740264/tekitowi_vapejodivekovo_josodu_piwogifot.pdf
    • http://napervillecarpetclean.com/uploads/1/3/0/4/130483386/6639331.pdf
    • http://jameswagner.net/uploads/1/3/0/4/130488248/zuzalefo_gizosadevaxulir_murir_notutupi.pdf
    • http://www.mobamommy.com/uploads/1/3/0/4/130493714/sofejufunodof-gusobajip.pdf
    • http://oodadevelopment.com/uploads/1/3/0/6/130604541/rogotalotejugimitaro.pdf
    • http://www.micabotanicals.com/uploads/1/3/0/7/130738511/130738511.html#4+bit+parallel+adder+pin+diagram

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003659.bin
1b1de85c09081d24a479e33216a4581e270d313ae0b88106026595b87b9b83d0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3659 8020 bytes

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