Malicious PDF — malware analysis report

Static analysis result for SHA-256 e3fe70969d229f39…

MALICIOUS

PDF

44.1 KB Created: 2020-09-17 09:47:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7d3f777e76e6c2d4f2a37afdc686efb1 SHA-1: 74170c647543bfbe9cbf93dc3e6d049f90850109 SHA-256: e3fe70969d229f392e9d32805e48c7018e40a7804dc685899fbf96171f4b401f
120 Risk Score

Malware Insights

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

The PDF file contains a significant number of embedded links, identified as a link farm. One of these links, 'https://ttraff.me/wix?keyword=wizard+leveling+guide+ragnarok', points to known malicious redirector infrastructure. The document body, though heavily obfuscated, also contains this URL, suggesting it is the primary lure. The presence of numerous other links hosted on cdn.shopify.com indicates a tactic to obscure the malicious destination and potentially leverage benign domains for initial hosting.

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.me/wix?keyword=wizard+leveling+guide+ragnarok
    • https://cdn.shopify.com/s/files/1/0433/4062/8120/files/gl-_mt300n-_v2.pdf
    • https://cdn.shopify.com/s/files/1/0437/6618/6135/files/into_the_wild_soundtrack_cd.pdf
    • https://cdn.shopify.com/s/files/1/0434/8212/0357/files/geometric_design_of_highways_nptel.pdf
    • https://cdn.shopify.com/s/files/1/0430/9050/9973/files/76668463329.pdf
    • https://cdn.shopify.com/s/files/1/0432/0028/2783/files/62593725352.pdf
    • https://cdn.shopify.com/s/files/1/0435/4224/9631/files/72350757537.pdf
    • https://cdn.shopify.com/s/files/1/0432/3737/6157/files/bse_odisha_otet_answer_key_2019.pdf
    • https://cdn.shopify.com/s/files/1/0439/0735/0696/files/inuyasha_ep_2_eng_dub.pdf
    • https://cdn.shopify.com/s/files/1/0431/0627/1394/files/livro_robbins_patologia.pdf
    • https://cdn.shopify.com/s/files/1/0433/2745/5400/files/most_common_synonyms_in_english.pdf
    • https://cdn.shopify.com/s/files/1/0428/2214/0063/files/tilinimakukirezirenizi.pdf
    • https://cdn.shopify.com/s/files/1/0434/1376/6293/files/fepate.pdf
    • https://cdn.shopify.com/s/files/1/0436/9616/0921/files/theeram_movie_songs.pdf
    • https://cdn.shopify.com/s/files/1/0432/2027/1264/files/cardioline_ar600adv.pdf
    • https://cdn.shopify.com/s/files/1/0435/1351/2100/files/expositor_s_bible_commentary.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_off00006ea7.bin
759c84a72044611234b94c480eb6c74edafda5fed91d19a160d6f04ed4819234		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6EA7 5004 bytes
font_01_sfnt_off00007fd2.bin
60541b1a7c95168232ce2bc80d3291ef72201a4ec85cba825800c376f582db93		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7FD2 10636 bytes

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