Malicious PDF — malware analysis report

Static analysis result for SHA-256 f754daf2cf06c196…

MALICIOUS

PDF

40.3 KB Created: 2020-08-31 02:06:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5d933974c14781be3f97812dadd07423 SHA-1: 17397b5ba986894c92616b32a90c7b11cb6351e6 SHA-256: f754daf2cf06c1962ed2b818b50f4a3bde232cb20be8fefcbc2875f464b15b2c
120 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many of which point to benign Shopify domains, but one critical link redirects to the malicious domain ttraff.com. This suggests a link farm or redirection tactic to obscure the final malicious destination. The document body, though heavily obfuscated, contains the text 'Beautiful creatures download pdf' and the malicious URL, reinforcing the lure. The primary attack pattern involves tricking the user into clicking the malicious link, likely leading to a further stage of infection.

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.com/wix?keyword=beautiful+creatures+download+pdf
    • https://cdn.shopify.com/s/files/1/0435/5905/9615/files/genetics_and_genomics_in_medicine_strachan.pdf
    • https://cdn.shopify.com/s/files/1/0465/0074/1272/files/anari_movie_songs_320kbps.pdf
    • https://cdn.shopify.com/s/files/1/0440/2901/8262/files/5th_grade_math_worksheets_online.pdf
    • https://static.usrfiles.com/ugd/b8c837_8fbb4db14bcf4200b898f6145b9b1716.pdf
    • https://static.usrfiles.com/ugd/314c35_01b135720e604c52899827467a075ff6.pdf
    • https://static.usrfiles.com/ugd/b444d4_8cccdedd1929441f829469788fa7e449.pdf
    • https://static.usrfiles.com/ugd/b8c837_00705759c42b404bb7035d577849eafa.pdf
    • https://cdn.shopify.com/s/files/1/0464/8815/8376/files/5745773644.pdf
    • https://cdn.shopify.com/s/files/1/0430/6042/8962/files/command_and_conquer_generals_free_pc.pdf
    • https://static.usrfiles.com/ugd/4b874d_9f876c0384104e96a05bb870f611f0e9.pdf
    • https://static.usrfiles.com/ugd/5fd5c1_bde5cf55f04d410fa1b6f143adc2e6e9.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_off00006029.bin
3e7cba42e876a1bc59e5cc18ec9338ccb7dc6f2fd1f97b269ba644208c043fb1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6029 5288 bytes
font_01_sfnt_off00007247.bin
e3f277c7b264e071f4f84d016992688f1c996a7357983bd3e50870c6cc0bd0ea		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7247 10100 bytes

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