Malicious PDF — malware analysis report

Static analysis result for SHA-256 95f2ffd54374fef0…

MALICIOUS

PDF

44.8 KB Created: 2020-09-17 23:49:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3be3ca498e719ff1bf620667cf2d9cfe SHA-1: ba8ff045fa86ea5b1728b129462043d7ee019a27 SHA-256: 95f2ffd54374fef0bc6911c501de4f562ee8ee9a2c1151aae69c93ebc571c38d
120 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many of which point to SEO-optimized PDF files hosted on various domains. One prominent link redirects to a malicious URL, likely intended to deliver a second-stage payload. The document body, though heavily obfuscated, contains text related to a 'Fisher and Paykel mw512 manual', suggesting a lure to entice users to click the malicious links.

Heuristics 3

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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 https://ttraff.me/wix?keyword=fisher+and+paykel+mw512+manual
    • http://files.websteradventure.org/uploads/1/3/1/3/131398140/lodokolijugu_xosozokawonax_kibijogaxozutuk.pdf
    • http://tametazo.pmrayworlds.com/uploads/1/3/1/6/131637279/zafakogez-tagevarolusebuz-sebodazijozepok.pdf
    • http://files.thechocolateshed.com/uploads/1/3/2/6/132681452/22165.pdf
    • http://xaxif.nicolecroftyoga.com/uploads/1/3/0/7/130740189/56f889c3b624.pdf
    • http://larilemu.poncecapitalpartners.com/uploads/1/3/0/8/130814579/6421265.pdf
    • http://files.jasminecwilliams.com/uploads/1/3/0/8/130813645/mujawa.pdf
    • http://files.swmobilemath.com/uploads/1/3/1/4/131453024/d21b1d35eea.pdf
    • http://rowegepo.floridalivesound.com/uploads/1/3/1/4/131483245/4976602.pdf
    • http://files.calebstoltzfus.com/uploads/1/3/0/9/130969714/8c155b26563.pdf
    • http://files.verytraumatic.com/uploads/1/3/1/4/131453397/limitu.pdf
    • https://cdn.shopify.com/s/files/1/0433/3309/1480/files/67697025262.pdf
    • https://cdn.shopify.com/s/files/1/0438/9378/4728/files/1656445259.pdf
    • https://cdn.shopify.com/s/files/1/0431/0145/4500/files/jaderipanodumivevafosoja.pdf
    • https://cdn.shopify.com/s/files/1/0434/6842/3330/files/larutesubuxeri.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_off00006e5a.bin
ae3932f2baffcffd3a9520c771056cd1e5aac1f2783d6de5141c1de2b8aae7dc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6E5A 5720 bytes
font_01_sfnt_off000081c8.bin
b2b5da28f281844701d95113721e3c9410b72bdf4f5391c3aea5ba6980f7e0e0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x81C8 10664 bytes

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