Malicious PDF — malware analysis report

Static analysis result for SHA-256 1dddff289f25035c…

MALICIOUS

PDF

84.5 KB Created: 2020-09-01 01:20:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 494c08b4732bc07c9f88fb57759034a9 SHA-1: 8c8de7591ff14efebcaf0cf8a46dfc46f53ad4a9 SHA-256: 1dddff289f25035c8712a434cd3f7f582e14030cac7edd58aeaaf7a0a00efb4c
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.cc/pify?keyword=pokemon+red+wiki+guide'. The document body, though heavily obfuscated, contains this URL, suggesting a lure to a malicious site disguised as a guide. The file also exhibits characteristics of a link farm, with numerous embedded URLs, many hosted on cdn.shopify.com, likely for SEO manipulation to increase visibility of the malicious redirector.

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=pokemon+red+wiki+guide
    • https://cdn.shopify.com/s/files/1/0446/2762/4099/files/music_alpha_and_omega_by_eben.pdf
    • https://cdn.shopify.com/s/files/1/0461/8459/5610/files/alto_s_adventure_2_hack_apk.pdf
    • https://cdn.shopify.com/s/files/1/0432/3642/5883/files/favafar.pdf
    • https://cdn.shopify.com/s/files/1/0438/1048/8477/files/software_architecture_design_book.pdf
    • https://cdn.shopify.com/s/files/1/0430/4430/7098/files/biologia_e_genetica_medicina.pdf
    • https://cdn.shopify.com/s/files/1/0432/7328/9888/files/old_english_etymology_dictionary.pdf
    • https://cdn.shopify.com/s/files/1/0434/3467/2294/files/html_to_online_api.pdf
    • https://cdn.shopify.com/s/files/1/0430/7720/6167/files/67531304089.pdf
    • https://cdn.shopify.com/s/files/1/0428/8351/4527/files/66096311916.pdf
    • https://cdn.shopify.com/s/files/1/0429/1097/4111/files/27886015417.pdf
    • https://cdn.shopify.com/s/files/1/0432/3731/0632/files/danfoss_fc302_profinet_manual.pdf
    • https://cdn.shopify.com/s/files/1/0461/9190/2869/files/mystic_messenger_email_guide_wine_owner.pdf
    • https://static.usrfiles.com/ugd/1f5cef_fef125d442444cd8a4c3bc131382c528.pdf
    • https://static.usrfiles.com/ugd/5de1df_813c2ac45fbf4aa9abe4577cafde1fe9.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000c657.bin
d876ccb32d9ab4da1f311606ca856348510f8f1ceb07d0ee8ac5979f39eba62b		 pdf-font-stream PDF embedded font (sfnt) at offset 0xC657 23360 bytes
font_01_sfnt_off00010f3a.bin
17a6286e7f7bf43464aced88e742154ea290cf1331b2b6fd78c476aef6b029cc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10F3A 4884 bytes
font_02_sfnt_off00011fda.bin
96fd0ebff688faa30778bae718cf8c5948b4d8eb63a0b8179c5f0169e4d16c0c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11FDA 10808 bytes

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