Malicious PDF — malware analysis report

Static analysis result for SHA-256 f1236ce322f2861c…

MALICIOUS

PDF

69.8 KB Created: 2020-09-13 09:25:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 784990f1935970dd6d07361d8b553d38 SHA-1: 7df4effac022123435e33e41bf4ec491b439940f SHA-256: f1236ce322f2861c12831ea25cb32cac19ba1c406e8323411c872bed69595cff
120 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, with a critical heuristic firing indicating a malicious redirector link. The primary URL identified, https://ttraff.club/wix?keyword=swtor+shadow+builds, is flagged as unknown reputation and is likely part of a phishing or scam operation. The document body, though heavily obfuscated, contains this URL, reinforcing its role in the attack.

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.club/wix?keyword=swtor+shadow+builds
    • https://static.usrfiles.com/ugd/2a2e94_b6f7159de582483e9ce9ff95b35147bf.pdf
    • https://static.usrfiles.com/ugd/0789d5_7bf03c7c4bb54de3bc5d85e44a38c93a.pdf
    • https://static.usrfiles.com/ugd/314c35_7831efcd3ed04b788ec8bae3bdd0dace.pdf
    • https://static.usrfiles.com/ugd/b1b16e_3b6314a9bf9c44af8e0e18f947446633.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/vunazazaxukatokezidabu.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/92904811518.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/1885060089.pdf
    • https://cdn.shopify.com/s/files/1/0430/9037/8903/files/82957176222.pdf
    • https://cdn.shopify.com/s/files/1/0431/4411/8423/files/school_days_song_mr_jatt.pdf
    • https://cdn.shopify.com/s/files/1/0432/4484/7266/files/11th_computer_science_book_free_download.pdf
    • https://cdn.shopify.com/s/files/1/0433/9168/0673/files/southern_railway_station_code_list_download.pdf
    • https://cdn.shopify.com/s/files/1/0438/2579/1138/files/79192715169.pdf
    • https://static.usrfiles.com/ugd/de60da_533396daf648431fbff52a30d22ddb6f.pdf
    • https://static.usrfiles.com/ugd/9ea9b6_e35b8d5bf18c425dae1bddbb9ef05930.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_off0000c529.bin
3b4931ec5a3ebb8b4d64b2fa905fdd3eba1380e409b768aa6157a1bc93645885		 pdf-font-stream PDF embedded font (sfnt) at offset 0xC529 5248 bytes
font_01_sfnt_off0000d6fd.bin
51ebeec29509b87aa858d500e37ac8853184703d07d1f913ce36d8e1dc7764c0		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD6FD 1800 bytes
font_02_sfnt_off0000df8b.bin
86a4575b8f3ecbfc1f214b463a573a9e501dbfffb0b478ecef4fed602d333451		 pdf-font-stream PDF embedded font (sfnt) at offset 0xDF8B 13456 bytes

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