Malicious PDF — malware analysis report

Static analysis result for SHA-256 36651cbac3224138…

MALICIOUS

PDF

48.1 KB Authoring application: ImageMagick
MD5: 40473a084a3ee2f1fd9ad384d2c8176b SHA-1: 566ef06b13c83df97d124405b1518f62f870d77e SHA-256: 36651cbac3224138ff0ec71da476e8de1fbf9bf41f56fb415162545f2dbb043a
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, identified as a link farm. This technique is commonly used to distribute phishing content or redirect users to malicious websites. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports the phishing and traffic redirection nature of this file. No scripts were extracted, and the document body was heavily obfuscated.

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://pinthis.co/uploads/1/3/0/2/130270985/josuxo_butogokopidiw.pdf
    • http://nowthenfuture.com/uploads/1/3/0/4/130488696/767c6a45.pdf
    • https://kosopagajevorud.weebly.com/uploads/1/3/0/5/130551081/fazixana.pdf
    • http://thebambooretreat.com/uploads/1/3/0/6/130639808/niteduvaz.pdf
    • http://dhillon-s-ltd.com/uploads/1/3/0/5/130589198/ce7bebb507f.pdf
    • http://pinheadsquilting.info/uploads/1/3/0/5/130590235/zolixovoma.pdf
    • http://camdenauctions.com/uploads/1/3/0/5/130589010/kamalelobib.pdf
    • http://thisismylifesong.org/uploads/1/3/0/4/130489742/gigufama_rodutanuwawof.pdf
    • http://jnrconstruction.net/uploads/1/3/0/6/130639423/920898.pdf
    • http://prolinelifepharmaceutical.com/uploads/1/3/0/7/130775254/xepujafunetobak.pdf
    • http://redgumestate.com.au/uploads/1/3/0/4/130436343/d3a33e1826f5a9.pdf
    • http://dgelectricinc.com/uploads/1/3/0/5/130539871/rekodenexo-jateju-tivewoxexi-dokut.pdf
    • http://ne-surgerycenter.net/uploads/1/3/0/6/130621205/130621205.html#falcon+shocks+review

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000014d7.bin
662379411c21301b673f4802d55eab85ad50a40d24070fcc984fd4c0c758178a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x14D7 8816 bytes
font_01_sfnt_off0000761b.bin
779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63		 pdf-font-stream PDF embedded font (sfnt) at offset 0x761B 16036 bytes

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