Malicious PDF — malware analysis report

Static analysis result for SHA-256 78328741fc7cc4bc…

MALICIOUS

PDF

39.1 KB Authoring application: Inkscape
MD5: 9755f39c4b08ded9b1125ed7f71bc557 SHA-1: 35e0b2a93fb1315f9e2c883207fa4071a82ec4cd SHA-256: 78328741fc7cc4bcde2273bd0620991a853ef6a9a288759d8d433b54fae0155c
150 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links to other PDF files, a technique often used for SEO poisoning or to distribute malicious content. The heuristic PDF_SEO_LINK_FARM and ClamAV detection indicate this is a malicious document. The embedded links likely lead to further malicious content or phishing pages.

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://looe-festival-of-the-sea.com/uploads/1/3/0/4/130435598/21b927005a.pdf
    • http://mmisini.com/uploads/1/3/0/7/130739269/92a1741.pdf
    • http://kingdomleadership.net/uploads/1/3/0/5/130542831/noferevujowudap.pdf
    • http://theb-collection.com/uploads/1/3/0/5/130588676/9174714.pdf
    • http://www.jonesedesigns.com/uploads/1/3/0/3/130323182/revolipizaxuda-risatu-nukunu.pdf
    • http://chlorevil.com/uploads/1/3/0/4/130488195/2515789.pdf
    • http://environmentalmatters.com/uploads/1/3/0/5/130551619/3fab69.pdf
    • http://livingriverchurch.net/uploads/1/3/0/6/130605077/2890884.pdf
    • http://bulldogcleaningandrestoration.com/uploads/1/3/0/7/130776176/9348898.pdf
    • http://mykwalk.com/uploads/1/3/0/4/130483632/1063672.pdf
    • http://marinaruss.net/uploads/1/3/0/6/130639476/296971c83e.pdf
    • http://mysweatshops.com/uploads/1/3/0/7/130775612/vikite.pdf
    • http://baop.store/uploads/1/3/0/7/130775949/puwif_gebex_vafikalivuxemab.pdf
    • http://mododucspiritum.com/uploads/1/3/0/6/130620547/vawafuwowivaxapoli.pdf
    • http://offthepier.net/uploads/1/3/0/2/130272356/jugubidora-zokakizag-jelewowetotoro-kefip.pdf
    • http://excessivelydiverting.com/uploads/1/3/0/5/130590139/9b70c.pdf
    • http://longislandoverheaddoor.net/uploads/1/3/0/5/130588403/zekubujegabiv.pdf
    • http://redthreadhaiku.com/uploads/1/3/0/2/130292073/tufivijumatuf.pdf
    • http://livequeenly.net/uploads/1/3/0/2/130289479/munomadazuxagam_xozovekogow_lowemuzadomit_linig.pdf
    • http://nitrotvtrial.com/uploads/1/3/0/2/130288430/5866744.pdf
    • http://goodnewsdoctor.com/uploads/1/3/0/8/130874143/7928907.pdf
    • http://cameliascandles.org/uploads/1/3/0/5/130551823/nolivafonop.pdf
    • http://rededemidias.net/uploads/1/3/0/8/130814283/1285c76db88e.pdf
    • http://nlxcakes.com/uploads/1/3/0/5/130545597/1f6117aff9f300d.pdf
    • http://scoresgrill.ca/uploads/1/3/0/6/130621775/66368f60a.pdf
    • http://0ys5k.bpmtc.com/uploads/1/3/0/3/130323161/130323161.html#official+scrabble+players+dictionary+pdf
    • http://livequeenly.net/uploads/1/3/0/2/130289479/munomad

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003328.bin
554b1759664b791668658459bf68579f95e0f446cc21423b7ee4cac8b96937af		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3328 8424 bytes

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