Malicious PDF — malware analysis report

Static analysis result for SHA-256 75a9fc905cc33257…

MALICIOUS

PDF

41.0 KB Authoring application: Inkscape
MD5: 25c0f78aea6b0ea5fdb6a310d71d6cc5 SHA-1: af5705f9cfaf2c7c70a823610bcc76d15c07b1c9 SHA-256: 75a9fc905cc3325712cdf182b6e00cf420332f2c842edd204e05bc4bbb1195f0
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file was flagged by multiple heuristics, including ClamAV and an ML classifier, as malicious. It contains a large number of embedded URLs pointing to other PDF files, suggesting a link farm or a distribution mechanism for further malicious content. The document body itself is heavily obfuscated and contains some of these URLs, but does not provide clear instructions beyond the lure of game development content.

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://www.scentneutrality.org/uploads/1/3/0/7/130740389/32f357c9b10e7.pdf
    • http://bravesblog.com/uploads/1/3/0/7/130775570/vulazu-jerawuwoko.pdf
    • http://www.freetoolsfor.com/uploads/1/3/0/7/130738673/dbc88a44048a.pdf
    • http://honeyandserifs.com/uploads/1/3/0/6/130621874/toxobebumo-damemo-xugesasatoxo.pdf
    • http://1943wolcott.com/uploads/1/3/0/6/130620898/3103273.pdf
    • http://mgsathletics.com/uploads/1/3/0/3/130323286/8124082.pdf
    • http://thediplip.com/uploads/1/3/0/7/130738644/0934a03f5e0b681.pdf
    • http://www.destinedforsuccess.rpjandco.com/uploads/1/3/0/4/130483879/sivox.pdf
    • http://myhralacarte.com/uploads/1/3/0/5/130541597/1729536.pdf
    • http://benlasli.store/uploads/1/3/0/2/130289241/5477797.pdf
    • http://imtiyaazservicesllp.com/uploads/1/3/0/7/130774977/gisekejeju-fetupaliki-venakarozajuse.pdf
    • http://saampradaayasaahiti.org/uploads/1/3/0/8/130814248/116045.pdf
    • http://floodexpress.com/uploads/1/3/0/3/130313158/totasobowumeda-kaxakudub-pinitinexudexaj-wipijikorup.pdf
    • http://associazionedareprotezione.org/uploads/1/3/0/7/130738650/romisisesova.pdf
    • http://mmtaxandfinancial.com/uploads/1/3/0/7/130740385/2cb96f4f08f235.pdf
    • http://independentit.net/uploads/1/3/0/6/130621477/4472328.pdf
    • http://www.helpforyourleadership.org/uploads/1/3/0/6/130603917/kanakajevodi-rigarowirabeme-naradupekabenup.pdf
    • http://eldaag2019.com/uploads/1/3/0/2/130289229/7436929.pdf
    • http://farmsforsaledirectory.com/uploads/1/3/0/2/130272979/6422994.pdf
    • http://art-by-the-yard.com/uploads/1/3/0/3/130323516/8718146.pdf
    • http://www.dogbitesbakery.com/uploads/1/3/0/5/130551607/9888748.pdf
    • http://brucepeninsulaadventure.com/uploads/1/3/0/4/130476751/jufiwadasuvog.pdf
    • http://www.middletennesseeflyfishing.com/uploads/1/3/0/9/130969423/kugewibamuteke-nunivefawiv-ludafumisa.pdf
    • http://www.bird-haven.co.za/uploads/1/3/0/5/130588847/nepuxizeke.pdf
    • http://trentriverdesigns.com/uploads/1/3/0/9/130969738/130969738.html#create+2d+game+in+unity

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000398c.bin
2e07fe00ab13b95f055ecbcdc1cd10cc4e6655f099cf4359825b5abaf6f080b9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x398C 9012 bytes

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