Malicious PDF — malware analysis report

Static analysis result for SHA-256 92fe0743008533e9…

MALICIOUS

PDF

35.0 KB Created: 2020-08-30 02:28:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7dc832ec8a298e3ede8115309b8dde1e SHA-1: 9eda60d86b6086aad5ead266849a76b509900536 SHA-256: 92fe0743008533e967e36a7533eaa6d4bb1f3e6eb7a3a14299d5cb97026126c2
120 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'ttraff.com' with a 'fake parking ticket' keyword. This indicates a social engineering lure. The document body, though heavily obfuscated, contains the same URL, reinforcing its role as the primary attack vector. The presence of numerous other links, while many are marked benign, suggests a link farm intended to obscure the malicious destination.

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=fake+parking+ticket
    • https://static.usrfiles.com/ugd/d2751c_93908e7a89dd43598369b6ea816dc2f3.pdf
    • https://static.usrfiles.com/ugd/b8c837_c1c9d490aab846f5b80f94d44adeccb7.pdf
    • https://static.usrfiles.com/ugd/d2cc1f_d49a4141a62a423e961588f5380eb87c.pdf
    • https://static.usrfiles.com/ugd/289c5e_fd23b1a26a1c46b8af8df1343501d7d3.pdf
    • https://cdn.shopify.com/s/files/1/0431/1603/6257/files/bootloader_samsung_gt-_s5360.pdf
    • https://cdn.shopify.com/s/files/1/0431/4506/8699/files/after_action_rails_format.pdf
    • https://cdn.shopify.com/s/files/1/0428/7827/1651/files/bridge_over_troubled_water_sheet_music.pdf
    • https://cdn.shopify.com/s/files/1/0433/5996/1239/files/chaperone_information_synonym.pdf
    • https://cdn.shopify.com/s/files/1/0439/0649/8728/files/dasuzijev.pdf
    • https://cdn.shopify.com/s/files/1/0430/9309/8660/files/london_oxford_bookworms_factfiles_level_1.pdf
    • https://cdn.shopify.com/s/files/1/0433/0225/6795/files/dojewepodu.pdf
    • https://cdn.shopify.com/s/files/1/0432/9740/7126/files/pdf_to_word_free_download_pc.pdf
    • https://cdn.shopify.com/s/files/1/0433/8057/2321/files/fifulini.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_off00004b09.bin
000d2067bc3b9e1d291831f6cebb02b6eecd6ef1493800a4013dda44d42e3341		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4B09 4912 bytes
font_01_sfnt_off00005bd7.bin
3496475b83144af316c1e7773732c45e249f6686df4b6af720d66bfd677d97ed		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5BD7 10460 bytes

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