Malicious PDF — malware analysis report

Static analysis result for SHA-256 ed99ec6a6380bf84…

MALICIOUS

PDF

51.4 KB Created: 2020-08-16 15:27:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: aad1bfeb5c0e4bcd61b82a5e8459cf87 SHA-1: 71d801097fc6d904c26b9679274a7505f9d03c84 SHA-256: ed99ec6a6380bf8472220130d2e983eb2988e26c503f0427ff071f54c7e9d25d
160 Risk Score

Malware Insights

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

The PDF contains multiple heuristics indicating a malicious redirector link and an advance-fee scam lure. The document body, though heavily obfuscated, contains the URL 'https://ttraff.ru/pify?keyword=manual+camera+dslr+app', which is flagged as a malicious redirector. This suggests the document's primary purpose is to trick the user into visiting a malicious site, likely for financial fraud.

Heuristics 4

  • 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.
  • Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE
    Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
  • 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.ru/pify?keyword=manual+camera+dslr+app
    • http://levukarep.bayareainspireawards.org/uploads/1/3/0/7/130775768/nenewezuvogol_mebodixeten.pdf
    • https://cdn.shopify.com/s/files/1/0430/8946/1410/files/applied_mathematics_1_syllabus_for_diploma.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/68513135127.pdf
    • https://cdn.shopify.com/s/files/1/0451/0469/3400/files/aquaponics_journal_download.pdf
    • https://cdn.shopify.com/s/files/1/0434/0734/3772/files/c_udp_socket.pdf
    • https://cdn.shopify.com/s/files/1/0433/9649/7573/files/how_to_install_lambda_fortress.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/62222626122.pdf
    • https://cdn.shopify.com/s/files/1/0430/1540/5725/files/zajorixasitux.pdf
    • https://cdn.shopify.com/s/files/1/0434/4630/4920/files/valotot.pdf
    • https://cdn.shopify.com/s/files/1/0431/2884/8538/files/53552731006.pdf
    • https://cdn.shopify.com/s/files/1/0432/5539/8563/files/detailed_map_of_china.pdf
    • https://cdn.shopify.com/s/files/1/0438/1730/4226/files/92738740048.pdf
    • https://cdn.shopify.com/s/files/1/0436/4333/8912/files/fazuvajadodijolizilev.pdf
    • https://cdn.shopify.com/s/files/1/0432/7974/5192/files/celebrate_recovery_lesson_1.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

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007f87.bin
2c8d887bce6f2cd9e44487088e9730d92a5b4f1c9d4056b9314b7559f6b9f4b3
pdf-font-stream PDF embedded font (sfnt) at offset 0x7F87 4868 bytes
font_01_sfnt_off00008fe7.bin
bff2c6d349bfb2c08670bec4432f7ff4948b9189b35e5014548281f1097d164f
pdf-font-stream PDF embedded font (sfnt) at offset 0x8FE7 10112 bytes
font_02_sfnt_off0000b26f.bin
b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c
pdf-font-stream PDF embedded font (sfnt) at offset 0xB26F 4324 bytes