Malicious PDF — malware analysis report

Static analysis result for SHA-256 e5260b40e268e03f…

MALICIOUS

PDF

42.5 KB Created: 2020-07-31 22:27:33 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 60731237c6ffaea4d3941b1a87469614 SHA-1: 767b7ce9506f071d0c6e1f5b6c167044f91450fb SHA-256: e5260b40e268e03f26e973271241d56263dfe3dfbb34f93c1565488f75a70925
120 Risk Score

Malware Insights

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

The PDF file contains multiple embedded links, with a critical heuristic identifying a link to a known malicious redirector infrastructure at 'https://ttraff.ru/pify?keyword=d%2526+d+draconomicon+pdf'. This suggests the document is designed to lure users to malicious sites. The presence of numerous other links, many hosted on Shopify, indicates a potential link farm or SEO poisoning tactic to distribute malicious 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=d%2526+d+draconomicon+pdf
    • http://files.stmaryselmbridge.org/uploads/1/3/2/6/132682686/gedisutipobaki.pdf
    • http://files.aweebitofsomething.com/uploads/1/3/0/8/130813362/925e12baf.pdf
    • http://files.mtbreizen.nl/uploads/1/3/1/3/131383934/gifuza.pdf
    • http://files.katieeberts.com/uploads/1/3/1/1/131163617/942aeb94f10a911.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/20745245188.pdf
    • https://cdn.shopify.com/s/files/1/0430/4168/5665/files/46543326687.pdf
    • https://cdn.shopify.com/s/files/1/0437/4023/3880/files/xaxerobadepuligevolujumer.pdf
    • https://cdn.shopify.com/s/files/1/0433/3885/8650/files/luladerafera.pdf
    • https://cdn.shopify.com/s/files/1/0428/3973/6487/files/54672665766.pdf
    • https://cdn.shopify.com/s/files/1/0432/6873/5140/files/bokemazumetaxu.pdf
    • https://cdn.shopify.com/s/files/1/0430/3339/5353/files/newesiposejerej.pdf
    • https://cdn.shopify.com/s/files/1/0431/2255/7082/files/56901126227.pdf
    • https://cdn.shopify.com/s/files/1/0430/0609/9605/files/34375057716.pdf
    • https://cdn.shopify.com/s/files/1/0438/3172/2141/files/44419261615.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/mituvazejuremoposanizama.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/78108387577.pdf
    • https://cdn.shopify.com/s/files/1/0428/8118/8003/files/33467254429.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000047fe.bin
6b793e6d356fd8a0f79d6c3575adddfad4391fd791f3041d1bc9e7ae45e56c2a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x47FE 3816 bytes
font_01_sfnt_off000055aa.bin
8e9e82eeee626ae3cf90455cd7f2f0b0f68513c2b5b541aa2122e86371f46d9f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x55AA 3484 bytes
font_02_sfnt_off00006117.bin
e5d0f74cb9a30e80f74b7f20115b5cbb00e2c3be2069f3ab392839d6bdc3eb58		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6117 13888 bytes
font_03_sfnt_off00008cf8.bin
7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8CF8 4324 bytes

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