Malicious PDF — malware analysis report

Static analysis result for SHA-256 f653eaa5845cfac5…

MALICIOUS

PDF

53.3 KB Created: 2020-08-24 14:26:09 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 710b45b47656ee4c343edbb72d9b1ebd SHA-1: 2cd3997499ba3e32beed8f519b5346e062a36e3f SHA-256: f653eaa5845cfac54314c3ad7c20a3bb34987432b9a0de35b2c084b1919152c7
120 Risk Score

Malware Insights

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

The PDF contains multiple embedded links, with one identified as a malicious redirector. The document body, though heavily obfuscated, contains text related to 'chalte chalte movie song wapking' and a URL that matches the malicious redirector. This suggests the document is designed to trick users into visiting malicious websites by appearing as search results or related content.

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.ru/pify?keyword=chalte+chalte+movie+song++wapking
    • http://nawiwobo.creswellpres.org/uploads/1/3/1/4/131454207/6150766.pdf
    • http://vasonexu.jessethomascomics.com/uploads/1/3/2/6/132695839/dokaj.pdf
    • http://files.ianvillarentals.com/uploads/1/3/1/6/131606666/mamafomebu.pdf
    • https://cdn.shopify.com/s/files/1/0429/4865/7311/files/engineering_mathematics_calculator_techniques.pdf
    • https://cdn.shopify.com/s/files/1/0438/4237/1741/files/55935315533.pdf
    • https://cdn.shopify.com/s/files/1/0430/6914/5241/files/mezasebema.pdf
    • https://cdn.shopify.com/s/files/1/0448/1276/3302/files/80663523642.pdf
    • https://cdn.shopify.com/s/files/1/0431/3654/9018/files/ramomizaloseba.pdf
    • https://cdn.shopify.com/s/files/1/0435/6725/1615/files/automatic_control_engineering_francis_h_raven.pdf
    • https://cdn.shopify.com/s/files/1/0434/8300/5078/files/2521515740.pdf
    • https://cdn.shopify.com/s/files/1/0435/7187/1912/files/tesuzejibewisaxo.pdf
    • https://cdn.shopify.com/s/files/1/0436/9268/7513/files/93058861034.pdf
    • https://cdn.shopify.com/s/files/1/0434/7196/2265/files/airmen_syllabus_2020.pdf
    • https://cdn.shopify.com/s/files/1/0434/3591/7473/files/wabaxani.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_off0000728c.bin
99d1778f2e9b4e01d5253d47fdc248013db2af878c170dcbb10d416824630e13		 pdf-font-stream PDF embedded font (sfnt) at offset 0x728C 5372 bytes
font_01_sfnt_off000084d0.bin
c99d1c80d643091539a0a7e88659de15a056c1833478ef302fbab8622fbb3973		 pdf-font-stream PDF embedded font (sfnt) at offset 0x84D0 14776 bytes
font_02_sfnt_off0000b2f9.bin
ebd2804bff382343e08f6a42dc45f69f4e794c08b23908ae60ba78ededae74b1		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB2F9 16164 bytes

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