PDF malware analysis — malicious · f0e5a0f4bcaeed19

MALICIOUS

PDF

131.6 KB Created: 2020-08-02 22:50:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 65e9e5042fb8c8bcab7c95874175f302 SHA-1: f82f611879ded1265748119e94c17a8b2f1bfc70 SHA-256: f0e5a0f4bcaeed19dd63a2c4344e7f58875765bd5d34a32b0d1392cb816e9fa1

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a significant number of embedded links, with a critical heuristic firing indicating a link farm and a redirector. The primary malicious URL identified is https://ttraff.com/pify?keyword=%25D0%25BA%25D0%25BE%25D0%25BD%25D1%2582%25D1%2580%25D0%25B0%25D1%2581%25D1%2582%25D0%25BD%25D1%258B%25D0%25B9+%25D0%25B4%25D0%25BE%25D0%25BC+2, which is likely used to redirect users to a malicious payload. The presence of numerous links, including those hosted on cdn.shopify.com, suggests an attempt to distribute malicious content through a seemingly legitimate platform.

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.com/pify?keyword=%25D0%25BA%25D0%25BE%25D0%25BD%25D1%2582%25D1%2580%25D0%25B0%25D1%2581%25D1%2582%25D0%25BD%25D1%258B%25D0%25B9+%25D0%25B4%25D0%25BE%25D0%25BC+2
- http://files.darenterprises-inc.com/uploads/1/3/2/6/132695568/9399965.pdf
- http://files.andrewtaegel.com/uploads/1/3/1/6/131607093/b533cc92f0.pdf
- http://files.prehistorictreasurescy.com/uploads/1/3/0/7/130776483/xabivejuzevu-sunimejigi-suxidexon.pdf
- https://cdn.shopify.com/s/files/1/0432/9812/8036/files/37603258402.pdf
- https://cdn.shopify.com/s/files/1/0429/7634/6266/files/husqvarna_lawn_mower_manual.pdf
- https://cdn.shopify.com/s/files/1/0435/0250/2054/files/tetirupowipu.pdf
- https://cdn.shopify.com/s/files/1/0433/2303/1720/files/life_model_decoy.pdf
- https://cdn.shopify.com/s/files/1/0430/1206/3391/files/xuwaguzanalamomawu.pdf
- https://cdn.shopify.com/s/files/1/0432/1624/0807/files/salonire.pdf
- https://cdn.shopify.com/s/files/1/0429/8863/4263/files/xifixovivubawa.pdf
- https://cdn.shopify.com/s/files/1/0432/3508/2402/files/visobofupokesusaw.pdf
- https://cdn.shopify.com/s/files/1/0432/4697/7179/files/wusakigubexiv.pdf
- https://cdn.shopify.com/s/files/1/0429/3971/1644/files/87964780598.pdf
- https://cdn.shopify.com/s/files/1/0431/4929/5770/files/43832472015.pdf
- https://cdn.shopify.com/s/files/1/0434/1222/6202/files/11371982292.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.

Filename	Kind	Source	Size
`font_00_sfnt_off0001c018.bin` `0da8c16ea5dac880bfa3fdb1667d4c7d11dd9b93a735fde904365f612823a42f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1C018	5352 bytes
`font_01_sfnt_off0001d243.bin` `b3dc26395449640bf8e7e052ef78f7b08ee81a1c90b5430f6346fb0037b7bfe6`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1D243	14072 bytes

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