Malicious PDF — malware analysis report

Static analysis result for SHA-256 99e2027990deaadc…

MALICIOUS

PDF

45.7 KB Authoring application: Karbon
MD5: 0d460abd2e361d85ff738a493be6580a SHA-1: 4aff80c11dc2b2a05b84c26ac18657374aaef679 SHA-256: 99e2027990deaadcb29357ead7790bd7f6baa6e388805def3a8664844a803f4d
128 Risk Score

Malware Insights

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

The PDF file contains a large number of external links to other PDF documents, as indicated by the PDF_SEO_LINK_FARM heuristic. This behavior is consistent with distributing malicious content or manipulating search engine results. The ClamAV detection further supports its malicious nature, identifying it as Pdf.Phishing.TtraffRobotInstall. The embedded URLs are the primary IOCs, pointing to potentially malicious content.

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
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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.settenove.info/uploads/1/3/0/8/130873995/30902.pdf
    • http://smaese.com/uploads/1/3/0/8/130814676/5334425.pdf
    • http://www.tinaglialaw.com/uploads/1/3/0/5/130539427/vupopivajizejesuxas.pdf
    • http://metamorphosisjewellery.us/uploads/1/3/0/5/130588751/7dbb4.pdf
    • http://a2zhomeinsp.com/uploads/1/3/0/2/130289411/gariforupixiju.pdf
    • http://myrallylife.com/uploads/1/3/0/2/130270898/wudabebedasiv.pdf
    • http://kenicholson.com/uploads/1/3/0/5/130589244/9667236.pdf
    • http://webeditormike.com/uploads/1/3/0/6/130605506/2572200.pdf
    • http://maryaman.com/uploads/1/3/0/7/130739933/40e80f704.pdf
    • http://yourlifeareas.com/uploads/1/3/0/6/130621666/pujubonut_fatefepeluvo_gesewunudadep.pdf
    • http://www.gangam.es/uploads/1/3/0/4/130475901/zidijebemisudalume.pdf
    • http://scealta.net/uploads/1/3/0/7/130738870/6207220.pdf
    • http://hostmaster.ryannewtonphotography.co.uk/uploads/1/3/0/6/130604715/zopupigeneteli.pdf
    • http://carrieandandrew.com/uploads/1/3/0/6/130604962/jedojomuv-demunoviwarixi.pdf
    • http://truckwingsdev.com/uploads/1/3/0/4/130477036/1295992.pdf
    • http://jensklein.dk/uploads/1/3/0/9/130969483/purevazaxogelow-nusoravisen.pdf
    • http://testpages.online/uploads/1/3/0/2/130288533/fuxamotivo.pdf
    • http://autocambo.com/uploads/1/3/0/6/130620970/lezerubinejeji-botamulojaved-lewijodusakedo-xigapepeliv.pdf
    • http://turtlerocktidalwave.com/uploads/1/3/0/2/130270798/5061970.pdf
    • http://racheldemeritt.com/uploads/1/3/0/6/130603815/pawajaxino-nizutikogosutix-gigudapeninu.pdf
    • http://fuzzycheesepresents.com/uploads/1/3/0/2/130272070/xebegofozotuj.pdf
    • http://jcfnf.com/uploads/1/3/0/7/130739783/suxajovubef.pdf
    • http://www.andrewcohrs.ca/uploads/1/3/0/4/130483407/309d4f1.pdf
    • http://carpetcleancary.com/uploads/1/3/0/5/130588282/130588282.html#converting+kindle+files+to+pdf

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000508e.bin
fe5a15984a0388266fc743970e90bacd7b65cc3af475170f871e88c6d573165e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x508E 8076 bytes

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