Malicious PDF — malware analysis report

Static analysis result for SHA-256 a628fc2f04279a9d…

MALICIOUS

PDF

60.2 KB Created: 2020-08-21 17:58:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 82882a4501e306c70daf5e7c548a8269 SHA-1: 8f4deb4abdf16a9921befc0ba243d613df301fa8 SHA-256: a628fc2f04279a9d9c2e4528493fcb6efc489143e2434f7c62bd8d1ec3ea74be
120 Risk Score

Malware Insights

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

The PDF contains a prominent link that redirects to a malicious URL, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains the target URL and text related to a 'baseball 9 mod apk', suggesting a lure for downloading potentially unwanted software. The PDF_SEO_LINK_FARM heuristic further indicates the document's purpose is to distribute links, likely for malicious purposes.

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.cc/pify?keyword=baseball+9+mod+apk+v1.+3.+8
    • http://files.disneychristmasparty.com/uploads/1/3/1/0/131070894/zakidutimirixer.pdf
    • http://files.emilylubowklobucher.com/uploads/1/3/1/6/131606256/mizazabumaje.pdf
    • http://sapatudar.cyberwall.ca/uploads/1/3/0/8/130814328/f2acc9e73.pdf
    • https://cdn.shopify.com/s/files/1/0430/4646/9793/files/12644936237.pdf
    • https://cdn.shopify.com/s/files/1/0433/6903/7980/files/the_anglo_saxon_chronicle.pdf
    • https://cdn.shopify.com/s/files/1/0432/3239/5426/files/catholic_saints_names.pdf
    • https://cdn.shopify.com/s/files/1/0429/7952/4759/files/harley_manuals.pdf
    • https://cdn.shopify.com/s/files/1/0447/9080/8727/files/80182558522.pdf
    • https://cdn.shopify.com/s/files/1/0435/7026/6273/files/potorikojuw.pdf
    • https://cdn.shopify.com/s/files/1/0432/2210/6271/files/20685250322.pdf
    • https://cdn.shopify.com/s/files/1/0432/6418/0390/files/zogosotonuxibajutafipa.pdf
    • https://cdn.shopify.com/s/files/1/0430/4394/6649/files/pugijitajibixulesa.pdf
    • https://cdn.shopify.com/s/files/1/0437/4796/7130/files/kenefaxereb.pdf
    • https://cdn.shopify.com/s/files/1/0432/0323/1908/files/lagu_beauty_and_the_beat_cover.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/s/files/1/0432/6418

Extracted artifacts 5

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000076b6.bin
ac64b8af80fcca1e0e594fba8a0f1e66fdecb42d42f059741c9e9f76428d751e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x76B6 2880 bytes
font_01_sfnt_off000080f5.bin
af4b1e12fbc7099fa6754345ea4bfca546ddd4eee3f3eb8931f97a4a1b1297e5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x80F5 5472 bytes
font_02_sfnt_off0000938e.bin
12c49b6cba585f252117729d8257ce74d7e1e3528907809a5feec1dbcbeeef66		 pdf-font-stream PDF embedded font (sfnt) at offset 0x938E 14072 bytes
font_03_sfnt_off0000bfc8.bin
2c5f1a2e3d9f683f6a217a47aeaaae813f7d4ef732a5ff54a929695507d09140		 pdf-font-stream PDF embedded font (sfnt) at offset 0xBFC8 16092 bytes
font_04_sfnt_off0000d48e.bin
ce7e2e230a41ba6fc2d7d2240890c8289d67876d84a3d076d67c0b48111c8230		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD48E 4324 bytes

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