Malicious PDF — malware analysis report

Static analysis result for SHA-256 2004f1df272ec408…

MALICIOUS

PDF

37.9 KB Created: 2020-08-19 20:45:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6642cb076e1079833d2370fff11c1cd7 SHA-1: 45eeee2a98146b7731291891d23f3a1d03d402d9 SHA-256: 2004f1df272ec408929354abbefc1ba25f378237a595fc67aca643420408e29a
120 Risk Score

Malware Insights

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

The PDF file contains a significant number of external links, identified as a link farm. One of these links, https://ttraff.cc/pify?keyword=attitude+status+video+tamil, is flagged as a malicious redirector. The document body, though heavily obfuscated, appears to contain references to this malicious URL, suggesting the document's primary purpose is to lure users to malicious infrastructure.

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=attitude+status+video+tamil
    • http://files.churchweddingspaphos.com/uploads/1/3/1/3/131382841/janida-dovududomaditi.pdf
    • https://cdn.shopify.com/s/files/1/0437/8581/4177/files/bemokogafifikol.pdf
    • https://cdn.shopify.com/s/files/1/0429/3689/3599/files/nivoberexepitifovawezidub.pdf
    • https://cdn.shopify.com/s/files/1/0428/8797/0975/files/92661213484.pdf
    • https://cdn.shopify.com/s/files/1/0431/9218/9089/files/caderno_de_atividades_alfabetizao.pdf
    • https://cdn.shopify.com/s/files/1/0430/0311/7719/files/aprendiz_de_brujo.pdf
    • https://cdn.shopify.com/s/files/1/0447/7802/9213/files/grade_12_chemistry_textbook_mcgraw_hill_ryerson.pdf
    • https://cdn.shopify.com/s/files/1/0429/2732/5343/files/99632101807.pdf
    • https://cdn.shopify.com/s/files/1/0435/2199/9008/files/el_arbatel.pdf
    • https://cdn.shopify.com/s/files/1/0432/5900/3038/files/4454327724.pdf
    • https://cdn.shopify.com/s/files/1/0435/4605/0728/files/masopekupupebipuzepakum.pdf
    • https://cdn.shopify.com/s/files/1/0434/0154/3831/files/blank_avery_5160_template_for_word.pdf
    • https://cdn.shopify.com/s/files/1/0431/8121/1802/files/28690970683.pdf
    • https://cdn.shopify.com/s/files/1/0428/5648/0935/files/72392920121.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_off00005846.bin
3feacdb4f867b7598d610218e1b37756a1aeb7e59d53d9c3bc4c4b6ddd3979f1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5846 4924 bytes
font_01_sfnt_off000068f7.bin
e5f3b1ed6554b9251dad1b28c96e759afbdd98cbff99229bf99d079e1eedb4f8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x68F7 9904 bytes

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