Malicious PDF — malware analysis report

Static analysis result for SHA-256 34bad8932142a868…

MALICIOUS

PDF

53.3 KB Created: 2020-08-30 02:42:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5184628d971ca8e13b746abb58351aec SHA-1: b9d570c61d579f7a3a10a7fe78d1d2592c5d31e3 SHA-256: 34bad8932142a868bdd77eae99e192e70bd5c9d12340248fa4f36884a77df840
120 Risk Score

Malware Insights

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

The PDF file contains a significant number of embedded links, with heuristics indicating it's a link farm designed to redirect users. One of the primary URLs identified, 'https://ttraff.cc/wix?keyword=animal+spirit+guides+coyote', is flagged as a malicious redirector. The document body appears to be heavily obfuscated or corrupted, making it difficult to determine the exact lure, but the overall structure suggests a phishing or redirection attempt.

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/wix?keyword=animal+spirit+guides+coyote
    • https://cdn.shopify.com/s/files/1/0462/5619/3687/files/free_avast_driver_updater_key.pdf
    • https://cdn.shopify.com/s/files/1/0430/8339/9321/files/14246336638.pdf
    • https://cdn.shopify.com/s/files/1/0432/8059/7152/files/keto_diet_plan_uk_free.pdf
    • https://cdn.shopify.com/s/files/1/0429/0193/0143/files/xerov.pdf
    • https://cdn.shopify.com/s/files/1/0433/4567/4389/files/russian_fishing_4_kartoffeln_kaufen.pdf
    • https://cdn.shopify.com/s/files/1/0452/5624/5408/files/burger_king_gutscheine_2020_august.pdf
    • https://cdn.shopify.com/s/files/1/0437/3735/0293/files/8810571131.pdf
    • https://cdn.shopify.com/s/files/1/0437/0805/5720/files/84437992900.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/30698029692.pdf
    • https://cdn.shopify.com/s/files/1/0431/5031/1579/files/78069899351.pdf
    • https://cdn.shopify.com/s/files/1/0435/8488/0798/files/10463197660.pdf
    • https://cdn.shopify.com/s/files/1/0433/1008/8360/files/berujajajozizavakoniren.pdf
    • https://cdn.shopify.com/s/files/1/0434/7199/5030/files/8609026383.pdf
    • https://static.usrfiles.com/ugd/3e87bf_81a399769ec640b7a56ee6d0cb810c03.pdf
    • https://static.usrfiles.com/ugd/daca0d_0aa4bb06fbf24835bb584a20549ca82f.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/
    • https://cdn.shopify.com/s/files/1/0433/1008/8360/files/beru

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000078e3.bin
0eee0c717c3fd98372df3d2c2f281b74e80190b34768fce79aa1701b8120bcef		 pdf-font-stream PDF embedded font (sfnt) at offset 0x78E3 3304 bytes
font_01_sfnt_off000084c9.bin
f12097dc3f78c79ee0e3721ef65e47dd9440746c72c0c507b329dce5e4dad775		 pdf-font-stream PDF embedded font (sfnt) at offset 0x84C9 5364 bytes
font_02_sfnt_off000096e6.bin
1433c71aaf6540058a63010b5cb98c629a63aac9a0dd1b628c7cff6bfb210c0c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x96E6 10236 bytes
font_03_sfnt_off0000b96f.bin
b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB96F 4324 bytes

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