Malicious PDF — malware analysis report

Static analysis result for SHA-256 78328741fc7cc4bc…

MALICIOUS

PDF

39.1 KB Authoring application: Inkscape First seen: 2020-09-07
MD5: 9755f39c4b08ded9b1125ed7f71bc557 SHA-1: 35e0b2a93fb1315f9e2c883207fa4071a82ec4cd SHA-256: 78328741fc7cc4bcde2273bd0620991a853ef6a9a288759d8d433b54fae0155c
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains a large number of embedded URLs pointing to external PDF files, a technique often used for SEO spam or to distribute further malicious content. The ClamAV detection and ML classifier strongly indicate malicious intent, specifically identified as 'Pdf.Phishing.TtraffRobotInstall'. While no scripts were explicitly extracted, the nature of the embedded URLs suggests a potential for JavaScript execution within the PDF to facilitate redirection or payload delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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.
  • 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 In PDF document text
    • http://mmisini.com/uploads/1/3/0/7/130739269/92a1741.pdfIn PDF document text
    • http://kingdomleadership.net/uploads/1/3/0/5/130542831/noferevujowudap.pdfIn PDF document text
    • http://theb-collection.com/uploads/1/3/0/5/130588676/9174714.pdfIn PDF document text
    • http://www.jonesedesigns.com/uploads/1/3/0/3/130323182/revolipizaxuda-risatu-nukunu.pdfIn PDF document text
    • http://chlorevil.com/uploads/1/3/0/4/130488195/2515789.pdfIn PDF document text
    • http://environmentalmatters.com/uploads/1/3/0/5/130551619/3fab69.pdfIn PDF document text
    • http://livingriverchurch.net/uploads/1/3/0/6/130605077/2890884.pdfIn PDF document text
    • http://bulldogcleaningandrestoration.com/uploads/1/3/0/7/130776176/9348898.pdfIn PDF document text
    • http://mykwalk.com/uploads/1/3/0/4/130483632/1063672.pdfIn PDF document text
    • http://marinaruss.net/uploads/1/3/0/6/130639476/296971c83e.pdfIn PDF document text
    • http://mysweatshops.com/uploads/1/3/0/7/130775612/vikite.pdfIn PDF document text
    • http://baop.store/uploads/1/3/0/7/130775949/puwif_gebex_vafikalivuxemab.pdfIn PDF document text
    • http://mododucspiritum.com/uploads/1/3/0/6/130620547/vawafuwowivaxapoli.pdfIn PDF document text
    • http://offthepier.net/uploads/1/3/0/2/130272356/jugubidora-zokakizag-jelewowetotoro-kefip.pdfIn PDF document text
    • http://excessivelydiverting.com/uploads/1/3/0/5/130590139/9b70c.pdfIn PDF document text
    • http://longislandoverheaddoor.net/uploads/1/3/0/5/130588403/zekubujegabiv.pdfIn PDF document text
    • http://redthreadhaiku.com/uploads/1/3/0/2/130292073/tufivijumatuf.pdfIn PDF document text
    • http://livequeenly.net/uploads/1/3/0/2/130289479/munomadazuxagam_xozovekogow_lowemuzadomit_linig.pdfIn PDF document text
    • http://nitrotvtrial.com/uploads/1/3/0/2/130288430/5866744.pdfIn PDF document text
    • http://goodnewsdoctor.com/uploads/1/3/0/8/130874143/7928907.pdfIn PDF document text
    • http://cameliascandles.org/uploads/1/3/0/5/130551823/nolivafonop.pdfIn PDF document text
    • http://rededemidias.net/uploads/1/3/0/8/130814283/1285c76db88e.pdfIn PDF document text
    • http://nlxcakes.com/uploads/1/3/0/5/130545597/1f6117aff9f300d.pdfIn PDF document text
    • http://scoresgrill.ca/uploads/1/3/0/6/130621775/66368f60a.pdfIn PDF document text
    • http://0ys5k.bpmtc.com/uploads/1/3/0/3/130323161/130323161.html#official+scrabble+players+dictionary+pdfIn PDF document text

Related samples 1

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003328.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3328 8424 bytes
SHA-256: 554b1759664b791668658459bf68579f95e0f446cc21423b7ee4cac8b96937af

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