Malicious PDF — malware analysis report

Static analysis result for SHA-256 4ffe640a25fe7586…

MALICIOUS

PDF

40.8 KB Created: 2020-08-02 19:22:22 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8ffeec1d5838f759051a0a5fd9898eec SHA-1: 9ca848a0c33387b0910891181f30a3b444fb5e0f SHA-256: 4ffe640a25fe758655ec5cd21c1182b5b56a11d707073757eba2385cd4763505
120 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing indicating it is a malicious redirector link, pointing to 'https://ttraff.ru/pify?keyword=ford+focus+service+manual+pdf'. The document body also contains this URL, presented as a link to a 'Ford focus service manual pdf'. This suggests a social engineering lure to trick users into clicking the malicious link, likely leading to further malware delivery or phishing.

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=ford+focus+service+manual+pdf
    • http://files.gogovernors.com/uploads/1/3/1/4/131406762/6528224.pdf
    • http://files.senatorscycling.org/uploads/1/3/0/7/130739313/rowopij.pdf
    • http://files.woodburyhistorysociety.co.uk/uploads/1/3/0/7/130739348/3274389.pdf
    • http://files.omanroadshow.com/uploads/1/3/0/7/130776182/da712092f62c6.pdf
    • http://files.stevewelchcreative.com/uploads/1/3/1/3/131398517/xovanakilivo.pdf
    • https://cdn.shopify.com/s/files/1/0431/0378/1015/files/10412872155.pdf
    • https://cdn.shopify.com/s/files/1/0433/6245/1611/files/39276763483.pdf
    • https://cdn.shopify.com/s/files/1/0437/7749/1105/files/jolukok.pdf
    • https://cdn.shopify.com/s/files/1/0431/1570/8573/files/43329103336.pdf
    • https://cdn.shopify.com/s/files/1/0430/9748/9572/files/doom_2_walktrough.pdf
    • https://cdn.shopify.com/s/files/1/0435/0178/1156/files/battlestar_galactica_watching_order.pdf
    • https://cdn.shopify.com/s/files/1/0428/7735/4143/files/rofolibojawemowegoxibige.pdf
    • https://cdn.shopify.com/s/files/1/0432/5385/8472/files/48336206438.pdf
    • https://cdn.shopify.com/s/files/1/0430/5590/6967/files/52692013736.pdf
    • https://cdn.shopify.com/s/files/1/0433/0933/4696/files/79314049731.pdf
    • https://cdn.shopify.com/s/files/1/0438/9001/6424/files/26006421059.pdf
    • https://cdn.shopify.com/s/files/1/0434/7333/8533/files/1371017260.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_off00006172.bin
ce9ca01d0e570712c14a4d1a2b20854c6bf7c5b5189e5841070080cd2cdc12a3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6172 5316 bytes
font_01_sfnt_off0000737c.bin
0ecf32c9a4cc28580cf3fb4aab2b1577089702dceb565ff974be503e57c6f582		 pdf-font-stream PDF embedded font (sfnt) at offset 0x737C 10232 bytes

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