Malicious PDF — malware analysis report

Static analysis result for SHA-256 2cefe902e7282427…

MALICIOUS

PDF

42.7 KB Created: 2020-08-26 01:29:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 576766aa8d27c63d42674ecc7c673645 SHA-1: 47ccfe324be31cc6ec7e7cea1dfb57a20eb1039d SHA-256: 2cefe902e7282427cb2ad3a2070782ad38dc4d6b8b59526d5bf577c2a8cf954b
120 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.link/pify?keyword=assistir+tartarugas+ninjas+desenho+d'. This indicates the document's primary purpose is to redirect users to malicious infrastructure. The document also contains a large number of embedded links, many pointing to Shopify domains, which is characteristic of SEO link farm abuse. No scripts were extracted, but the presence of the malicious redirector is sufficient evidence of malicious intent.

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.link/pify?keyword=assistir+tartarugas+ninjas+desenho+d
    • http://finuwasu.camdencollaborative.com/uploads/1/3/1/0/131071021/nagewugugafo-rirerupis-nipemibowubif-pejezuz.pdf
    • https://cdn.shopify.com/s/files/1/0433/6631/8230/files/xisoruguxikejogimule.pdf
    • https://cdn.shopify.com/s/files/1/0428/6939/1527/files/tamilrockers_tamil_dubbed_hd_movie_2018.pdf
    • https://cdn.shopify.com/s/files/1/0462/4308/6487/files/vivaldi_android_sync.pdf
    • https://cdn.shopify.com/s/files/1/0430/3765/5191/files/gusamojeniputapijuwo.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/davunaxejapezuxipuwuwozom.pdf
    • https://cdn.shopify.com/s/files/1/0434/2385/8850/files/enga_karuppasamy_songs_lyrics_in_tamil.pdf
    • https://cdn.shopify.com/s/files/1/0431/3825/2957/files/kuxojasanop.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/duwaxufezemurogagur.pdf
    • https://cdn.shopify.com/s/files/1/0438/4705/7568/files/problemas_de_interes_simple_y_compuesto_resueltos_4_eso.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_off000055f5.bin
27397d9942e9b04d16e2ba71eebaa83ac34491aaeee1210e84a1bce28c3f2605		 pdf-font-stream PDF embedded font (sfnt) at offset 0x55F5 5004 bytes
font_01_sfnt_off000066e6.bin
6334b40fb06b2cf7d3772d4758e4d91459f3623ba4f6f1c40ab9394f1e823282		 pdf-font-stream PDF embedded font (sfnt) at offset 0x66E6 12896 bytes
font_02_sfnt_off00008e7d.bin
a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8E7D 4324 bytes

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