Malicious PDF — malware analysis report

Static analysis result for SHA-256 84a1ded179b01fed…

MALICIOUS

PDF

72.6 KB Authoring application: SWFTools
MD5: 28b25ad85f30161968e1ba67be0463bc SHA-1: dcc74ec7b591f5c27e5bfc02dbb92903a8cce2c9 SHA-256: 84a1ded179b01fed2203d808170cd1999e7bdabc63377e87333d07631143ca58
162 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of embedded URLs pointing to other PDF files on various domains, indicative of a link farm or SEO spamming operation. The heuristic 'SE_LOLBIN_RUN_COMMAND' suggests that the document may also contain instructions for executing Windows script tools, potentially to download and execute further payloads. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a malicious classification.

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.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • Visible LOLBin command execution instruction high SE_LOLBIN_RUN_COMMAND
    Document contains instructions or visible command text involving Windows script/execution tools such as PowerShell, mshta, cmd, rundll32, or regsvr32
  • 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://simplygreenhomeservices.com/uploads/1/3/0/6/130604273/faxug.pdf
    • http://stalktwit.com/uploads/1/3/0/7/130775619/finivaxusavigid.pdf
    • http://davinator.com/uploads/1/3/0/3/130313088/poxefovitif_rabenosifufov_radazokovamaju_kerasexevubogi.pdf
    • http://highartphoto.net/uploads/1/3/0/6/130603929/6812135.pdf
    • http://beauqueenboutique.com/uploads/1/3/0/6/130639377/1f6154af4.pdf
    • http://wearmonster.com/uploads/1/3/0/4/130483309/14f37e.pdf
    • http://pathtoyoga.com/uploads/1/3/0/7/130740363/jopuzuvuguxep-beziw-suzasulos.pdf
    • http://mta-sts.ssquarterhorses.com/uploads/1/3/0/4/130435922/jonezuvamovu_fawiwosataxeg.pdf
    • http://beconfidentstudio.com/uploads/1/3/0/5/130550903/6878253.pdf
    • http://shoes.boutique/uploads/1/3/0/4/130476013/rubuvakupozipobopame.pdf
    • http://ndsportschannel.net/uploads/1/3/0/6/130620371/zazox.pdf
    • http://mypartycastle.com/uploads/1/3/0/6/130621161/2768335.pdf
    • http://74-123-73-230.mgwnet.com/uploads/1/3/0/3/130379051/3f99e631f0a4.pdf
    • http://www.bluemop.org/uploads/1/3/0/5/130590678/gilarobuga_lamufopot.pdf
    • http://74-123-76-212.mgwnet.com/uploads/1/3/0/5/130543386/130543386.html#australia+zoo+steve+irwin+song
    • http://www.bluemo

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003159.bin
036d04082d5948a06845d10934999a6ff01367bb9169919a03edbae9a11ea3ea		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3159 8620 bytes

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