Malicious PDF — malware analysis report

Static analysis result for SHA-256 8548ba3e1c4773ca…

MALICIOUS

PDF

32.8 KB Authoring application: SWFTools
MD5: e893b7bc5459a9fa96312a73d403521f SHA-1: 10884a3b9d89227338e6ece80762906d6df800eb SHA-256: 8548ba3e1c4773ca9c6571a7684b1af00783f7f5e52e7a1c3be8fdcb5d800387
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs pointing to other PDF files, a technique often used for SEO manipulation or to distribute further malicious content. The ClamAV detection and ML classifier strongly indicate malicious intent, specifically identified as phishing. While no scripts were directly extracted, the embedded URLs are the primary indicators of malicious activity.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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://allberta.com/uploads/1/3/0/4/130436058/7153025.pdf
    • http://talesfromsixthgrade.com/uploads/1/3/0/4/130435774/gudojivelezef_pebuzaxalewo.pdf
    • http://soul-sunshine.com/uploads/1/3/0/5/130588681/975ff.pdf
    • http://brushlove.ca/uploads/1/3/0/6/130620327/gudupejuji.pdf
    • http://beckmannmediagroup.com/uploads/1/3/0/6/130620674/7c49e1fdd34f8.pdf
    • http://abrolhoslandscaping.com.au/uploads/1/3/0/7/130775078/4814691.pdf
    • http://bobatree.site/uploads/1/3/0/3/130324357/xuvunazateze.pdf
    • http://vancouvervacationrentals.org/uploads/1/3/0/4/130476607/wifuduref-nisomugonad-joxujemefo.pdf
    • http://tokarsky1.com/uploads/1/3/0/4/130488451/sutizo-foligujisiz.pdf
    • http://levelofourtimes.com/uploads/1/3/0/3/130313624/c6a95c7d4d099.pdf
    • http://accentusdirectllc.com/uploads/1/3/0/7/130738633/6939225.pdf
    • http://www.theemeraldhomestead.com/uploads/1/3/0/4/130490193/mafopewus_jidonofusesux.pdf
    • http://abccaresolutions.com/uploads/1/3/0/7/130776434/32dcb9b.pdf
    • http://neworleans-homeinspections.com/uploads/1/3/0/2/130288864/jefijizufufafo_godimevaxoxalo_rowutanaten.pdf
    • http://cmm-programmer.com/uploads/1/3/0/7/130775762/ramek_xifevotukasike_dogogexu_bapafelepibib.pdf
    • http://happymedicalzone.com/uploads/1/3/0/6/130604599/zinubabasafasisab.pdf
    • http://surfcitydelivery.org/uploads/1/3/0/2/130291592/nozovopimaba.pdf
    • http://stretchedmama.com/uploads/1/3/0/7/130739006/zemamukiloxoxan.pdf
    • http://betterbartlett.org/uploads/1/3/0/2/130272586/ladizozotigofo.pdf
    • http://store.arvadahistory.org/uploads/1/3/0/3/130323601/davalafepi_gopujapiv_jabidimaz_vegetifiseti.pdf
    • http://mesys-industrial.net/uploads/1/3/0/6/130621124/wozuvexeleno-tipuvutodemital-japax.pdf
    • http://sprivot.com/uploads/1/3/0/5/130547924/f8c1fea961.pdf
    • http://adiosdebt.com/uploads/1/3/0/6/130639607/2620303.pdf
    • http://oilboomlife.com/uploads/1/3/0/6/130639217/184502.pdf
    • http://baccarat-online.lucky1st.com/uploads/1/3/0/5/130588452/130588452.html#aarp+discount+hotels+austin+tx

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001d45.bin
188b60abf66059e0f44a43573f45687f8a1208a0982fa122a36c8e0521426cb5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1D45 7420 bytes

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