Malicious PDF — malware analysis report

Static analysis result for SHA-256 8b3fc187c477b703…

MALICIOUS

PDF

39.4 KB Created: 2020-04-25 07:30:26 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 86cd184c2313b9f35d50c6af6300e80b SHA-1: 65c310e6beee46b5410901488492f770d299ec08 SHA-256: 8b3fc187c477b703d05c16428ab0ef8a278f5a1fee07d6ac872911698d3d405b
62 Risk Score

Malware Insights

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

The PDF contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various domains, suggesting a link farm or redirection scheme. The embedded URL heuristic also confirms the presence of external links within the document body. The primary purpose appears to be directing users to these external sites, which could host further malicious content or phishing pages.

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.
  • 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://wildchild.dance/uploads/1/3/1/0/131070851/131070851.html#title+ix+quiz+answers
    • http://menstrualmagic.com/uploads/1/3/0/4/130476317/vakex.pdf
    • http://chippsforohio.com/uploads/1/3/1/1/131163695/ce350cc30.pdf
    • http://cafedebooks.com/uploads/1/3/0/5/130588213/ximumagiwonama.pdf
    • http://auralashstudio.com/uploads/1/3/0/8/130813834/kadidowazagul_kopiz.pdf
    • http://dogparentsaf.com/uploads/1/3/1/1/131164257/mamono.pdf
    • http://samstevensonyang.com/uploads/1/3/0/8/130874333/d09397c96.pdf
    • http://www.2425york.com/uploads/1/3/0/5/130590368/kabewirazusejino.pdf
    • http://getyouthmovingllc.com/uploads/1/3/0/3/130324063/d42bc353d44a9.pdf
    • http://whitneymartinko.com/uploads/1/3/0/7/130739368/duvogiz.pdf
    • http://chrisbartold.us/uploads/1/3/0/2/130291922/4555091.pdf
    • http://mavenmagz.com/uploads/1/3/1/1/131164497/ragisigupug.pdf
    • http://unifiedenergytherapies.com/uploads/1/3/0/4/130476611/babujimurumilozege.pdf
    • http://unifiedenergytherapies.com/uploads/1/3/0/4/130476611/babujimurumil
    • 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 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006f0a.bin
0d4a049100de84967d7abb3bee65ad9955a9e9db08d2ce8a3cb1eb28b4520d75		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6F0A 8672 bytes

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