Malicious PDF — malware analysis report

Static analysis result for SHA-256 25287df9dea8df4f…

MALICIOUS

PDF

40.1 KB Authoring application: Inkscape
MD5: bf8508bfad1f391562702e0e5eb5feb8 SHA-1: 2527c7d890c1a7335d8be1b2f71c02711b7de003 SHA-256: 25287df9dea8df4f55e0da36229d630543d3baf1121701d1cda6a357b10e816b
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded URLs pointing to other PDF files hosted on various domains. This behavior is indicative of a link farm designed to distribute malicious content or conduct phishing attacks. The ClamAV detection and ML classifier further support the malicious nature of this file.

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://fromtribetofacebook.com/uploads/1/3/0/6/130604795/lofigonukaw.pdf
    • http://mx1.elipsisgroup.com/uploads/1/3/0/4/130435716/vowifa.pdf
    • http://www.goodlifeelixir.com/uploads/1/3/0/6/130620797/8c726.pdf
    • http://taylorlench.com/uploads/1/3/0/4/130436399/7426026.pdf
    • http://misdoc.com/uploads/1/3/0/3/130313391/3250599.pdf
    • http://thejackedhipster.com/uploads/1/3/0/7/130739371/tepitorojijona.pdf
    • http://fiddleonthefarm.com/uploads/1/3/0/5/130540116/9bdf768a7.pdf
    • http://steamsa.org/uploads/1/3/0/8/130813921/lejila.pdf
    • http://boxedpandavpn.com/uploads/1/3/0/7/130776341/lufujewowegusir.pdf
    • http://alraiq.net/uploads/1/3/0/6/130621306/64b3d771c9fe9f9.pdf
    • http://mission-scamper.com/uploads/1/3/0/2/130292098/1338148.pdf
    • http://bigben.site/uploads/1/3/0/5/130588733/8dbf3027cc55e.pdf
    • http://southernheritagenewsletter.com/uploads/1/3/0/4/130435569/6714ce1.pdf
    • http://www.thepaintability.com/uploads/1/3/0/7/130775984/3457113.pdf
    • http://thecodefitness.org/uploads/1/3/0/5/130544625/2140396.pdf
    • http://stdesignmatters.com/uploads/1/3/0/2/130272516/golofovaguwibotuj.pdf
    • http://truehairculture.org/uploads/1/3/0/4/130483413/zopikize_zaxarisopa.pdf
    • http://mrulmersmathunit.com/uploads/1/3/0/3/130313336/dupawerit.pdf
    • http://alexcapitalgroup.com/uploads/1/3/0/4/130436313/janufupef-xojivukomivefet-noxozurovamo-limog.pdf
    • http://advancedbiocomputing.org/uploads/1/3/0/4/130489070/d9e5327bf82979.pdf
    • http://talentmundo.com/uploads/1/3/0/8/130874634/guvewonoditek-fuxaz-tubedekimuga-zozewu.pdf
    • http://alessiadana.com/uploads/1/3/0/2/130288710/2727029.pdf
    • http://directinservicetraining.com/uploads/1/3/0/3/130324137/2191133.pdf
    • http://mrsnicolas.com/uploads/1/3/0/6/130621892/3971dbad1.pdf
    • http://audodigital.com/uploads/1/3/0/6/130639960/3824079.pdf
    • http://lifteens.com/uploads/1/3/0/6/130604161/130604161.html#effective+javascript+68+specific+ways+pdf
    • http://www.thepaintability

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003953.bin
63ea6a13390c50ac2812032d8b02fd4a5eb63865ee50529e304f42c8c6fd55c6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3953 7636 bytes

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