Malicious PDF — malware analysis report

Static analysis result for SHA-256 fe0c8f19bef30bd1…

MALICIOUS

PDF

81.8 KB Created: 2020-04-30 12:46:41 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 734e97ead529b0c797a6035db61ca063 SHA-1: 8a91c6892d37f79a27c41d752f26f28694edcb48 SHA-256: fe0c8f19bef30bd14c076a5fd3fa5cafe5cf3762953bc3188d329a6fdc341298
82 Risk Score

Malware Insights

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

The PDF document contains a lure related to 'Netacad ccna 2 final exam answers', likely intended to deceive users. It also exhibits a large number of external links, many pointing to PDF files on various domains, suggesting a link farm or redirection mechanism. The presence of a callback phishing lure further indicates a social engineering attempt to solicit a phone call, potentially for a tech support scam or to extract sensitive information.

Heuristics 4

  • 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.
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://risktecinternational.net/uploads/1/3/0/5/130541443/130541443.html#netacad+ccna+2+final+exam+answers
    • http://urbanabstract.art/uploads/1/3/1/4/131406582/nunubimux.pdf
    • http://mygotthis.net/uploads/1/3/1/3/131384424/e498d4453e4.pdf
    • http://snrcconstruccionesyservicios.com/uploads/1/3/0/8/130873945/vagikuniv.pdf
    • http://toddlerpartyzone.com/uploads/1/3/0/6/130621296/jutilofegagipet.pdf
    • http://ultimatemathstutor.com/uploads/1/3/0/3/130323182/3162224.pdf
    • http://locardia9.com/uploads/1/3/1/3/131398184/3801e48.pdf
    • http://kyriakosllc.org/uploads/1/3/0/6/130639257/4544349.pdf
    • http://davissquaretheater.com/uploads/1/3/0/6/130621310/7837822.pdf
    • http://jjpinternalmedicinegroup.com/uploads/1/3/0/6/130605452/6868514.pdf
    • http://pembertoncarpentry.com/uploads/1/3/0/2/130291489/pemuzasuzapotuza.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0001061a.bin
81de6b06dd5fa220764a642c469f395ce552f3ec362f07ef7c5e95080e96bb17		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1061A 8336 bytes
font_01_sfnt_off0001261f.bin
779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1261F 16036 bytes

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