Malicious PDF — malware analysis report

Static analysis result for SHA-256 e5b3edea2a743449…

MALICIOUS

PDF

38.5 KB Created: 2020-08-15 08:36:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7ecc739366800377522d1d6aafb4dc25 SHA-1: 254f67d55d58e28fb8e8ecfa1277277b49ecd585 SHA-256: e5b3edea2a74344988141e84fe8ee8ccc2d25cd59053504c38442d26a021e0d5
60 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link, which is also present in the document body. The primary malicious URL identified is https://ttraff.cc/wb?keyword=convert%20pdf%20vers%20dwg. This suggests the document's purpose is to trick the user into clicking the link, likely leading to a further stage of attack.

Heuristics 2

  • 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.
  • 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/wb?keyword=convert%20pdf%20vers%20dwg
    • http://files.jalapenopublishing.com/uploads/1/3/0/7/130776629/kobazaromi.pdf
    • http://lelimuwo.marilynrayphoto.com/uploads/1/3/0/8/130814328/700b9a0.pdf
    • https://cdn.shopify.com/s/files/1/0431/6895/6565/files/alimentos_ricos_em_fibras_soluveis.pdf
    • https://cdn.shopify.com/s/files/1/0431/1747/8044/files/27625364750.pdf
    • https://cdn.shopify.com/s/files/1/0431/7511/6959/files/vapavumapotojupupo.pdf
    • https://cdn.shopify.com/s/files/1/0432/2079/5556/files/businessman_movie_telugu_full_hd.pdf
    • https://cdn.shopify.com/s/files/1/0440/6942/1206/files/zepimedodusefuji.pdf
    • https://cdn.shopify.com/s/files/1/0433/0664/7717/files/59580169807.pdf
    • https://cdn.shopify.com/s/files/1/0430/7252/0352/files/29058338631.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_off0000579c.bin
abcbbf08dfe825ac85098efd9b91bb5cfb02c02dd54d12ed61efb4db6813954b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x579C 5024 bytes
font_01_sfnt_off000068de.bin
6d6c2b3e748959ae082c5f421edf3f743e4b60b28c5b9991bd529a3ff93eabfc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x68DE 10968 bytes

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