Malicious PDF — malware analysis report

Static analysis result for SHA-256 5196eed04fc414e0…

MALICIOUS

PDF

54.1 KB Created: 2020-08-28 00:06:45 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 52d250802aaacbb4855e324314cbdcbb SHA-1: 707d6571152a483cd6537169f702d7a5b0918c7e SHA-256: 5196eed04fc414e0031249414f52e8487aa34ee56c7cd9f6f12c823b402ae767
120 Risk Score

Malware Insights

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

The PDF file contains a link farm and a critical heuristic firing for a malicious redirector. The embedded document body text, though partially corrupted, contains the URL https://ttraff.cc/pify?keyword=minecraft+thaumcraft+guide+1.12.2, indicating a lure to a malicious site. The presence of numerous external PDF links, many pointing to unknown domains, further supports the malicious intent of distributing harmful content.

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=minecraft+thaumcraft+guide+1.12.2
    • http://wofode.i-am-miss-molly.com/uploads/1/3/0/7/130776031/robesufit-tewifer-vitemoga-wowukogusof.pdf
    • http://digexof.birminghammodelyachtclub.com/uploads/1/3/0/8/130873825/nasuwisata.pdf
    • http://files.gracetabernacleva.org/uploads/1/3/2/6/132683165/884738.pdf
    • http://woropi.d2studios.com/uploads/1/3/1/3/131382134/mededojomuvof.pdf
    • https://cdn.shopify.com/s/files/1/0433/4141/4552/files/rifuf.pdf
    • https://cdn.shopify.com/s/files/1/0429/1880/5657/files/asus_bluetooth_adapter.pdf
    • https://cdn.shopify.com/s/files/1/0431/2439/2087/files/dagenunozogobev.pdf
    • https://cdn.shopify.com/s/files/1/0429/8529/1937/files/smoothie_recipes_south_africa.pdf
    • https://cdn.shopify.com/s/files/1/0429/3709/0211/files/2273541618.pdf
    • https://cdn.shopify.com/s/files/1/0431/5732/3933/files/55233923798.pdf
    • https://cdn.shopify.com/s/files/1/0440/3593/2310/files/nusejaka.pdf
    • https://cdn.shopify.com/s/files/1/0464/6633/4872/files/assetto_corsa_f1_2014_mod.pdf
    • https://cdn.shopify.com/s/files/1/0437/2224/4250/files/24649657025.pdf
    • https://cdn.shopify.com/s/files/1/0430/8028/6372/files/13363439040.pdf
    • https://cdn.shopify.com/s/files/1/0431/3173/2125/files/anlage_av_2020_formular.pdf
    • https://cdn.shopify.com/s/files/1/0433/7546/0515/files/76403596568.pdf
    • https://cdn.shopify.com/s/files/1/0431/3989/1357/files/liridasopugisewepofonoxe.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_off0000956d.bin
710c45cf329e90cc1aa53897fbb1206c857ffeed39da6b55a1a3f526ab3bac49		 pdf-font-stream PDF embedded font (sfnt) at offset 0x956D 5444 bytes
font_01_sfnt_off0000a7d1.bin
10ddc14bbd06d71adf6bbde73e10515727c4e560af9862c61fb3a7eed42d5f20		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA7D1 10332 bytes

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