Malicious PDF — malware analysis report

Static analysis result for SHA-256 1f5ab109ee695077…

MALICIOUS

PDF

38.8 KB Created: 2020-08-14 17:47:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3e59cb86d02ef14bc5fd6778aea16e5f SHA-1: 3fc119ba2912880bb3ad8a4519256178f10f097a SHA-256: 1f5ab109ee69507760f57cab973671fa624f5f3b5fbd3a425b764092f7aab768
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to external PDF files hosted on various domains, including a known malicious redirector. The primary heuristic indicates that this is a link farm designed to direct users to malicious infrastructure. The document body itself contains the malicious redirector URL, suggesting an attempt to lure users to a compromised or malicious site.

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.cc/pify?keyword=evangelismo+personal+myer+pearlman+pdf+descargar
    • http://files.federico-rossi.com/uploads/1/3/0/7/130775229/38157d.pdf
    • http://paxopat.exeterforum.org/uploads/1/3/1/4/131406665/godepudisetarudi.pdf
    • http://files.fustlerthefemalehustler.com/uploads/1/3/0/7/130739839/gaxiwoloxakutenuboj.pdf
    • http://files.rawlinsmusic.co.uk/uploads/1/3/2/3/132302940/7512958.pdf
    • https://cdn.shopify.com/s/files/1/0447/6341/4682/files/buvadugodelebunudo.pdf
    • https://cdn.shopify.com/s/files/1/0434/0629/5196/files/mercruiser_350_mag_mpi_service_manual.pdf
    • https://cdn.shopify.com/s/files/1/0434/8336/5528/files/bivuda.pdf
    • https://cdn.shopify.com/s/files/1/0432/0965/4440/files/litatatekudasixubumi.pdf
    • https://cdn.shopify.com/s/files/1/0428/3020/0991/files/98876335731.pdf
    • https://cdn.shopify.com/s/files/1/0433/7047/9768/files/xuwanav.pdf
    • https://cdn.shopify.com/s/files/1/0436/5228/4566/files/antonin_artaud_biografia.pdf
    • https://cdn.shopify.com/s/files/1/0428/3020/0991/files/vevakobatalutefiwuxok.pdf
    • https://cdn.shopify.com/s/files/1/0439/2756/8552/files/fizevefiledagonipu.pdf
    • https://cdn.shopify.com/s/files/1/0433/4541/2261/files/19627305312.pdf
    • https://cdn.shopify.com/s/files/1/0432/6280/4136/files/wuziwilaxabinupezenuvovup.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_off000059b2.bin
5faff7c72911608f1b4aaceb0c1b20ebe632bd7585a728dc3f1819756bee1842		 pdf-font-stream PDF embedded font (sfnt) at offset 0x59B2 5596 bytes
font_01_sfnt_off00006cae.bin
e6e808979d815cab4f62a5b3852d3d0b74ad464c0735bbdc987728d68683c8b0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6CAE 9884 bytes

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