PDF malware analysis — malicious · 1f63c26b7ca4a3ae

MALICIOUS

PDF

48.0 KB Created: 2020-08-07 04:53:59 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 9df7afa1239a3f06fa217feca895b9f3 SHA-1: 265b52ac7e5f2befa50465090efe380b414081a9 SHA-256: 1f63c26b7ca4a3aea79a3200028f8a24fd6436f5bae58692341e2bd21b00b3d2

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a malicious link disguised as a document about Android secret codes. This link redirects to a known malicious domain, ttraff.com, which is likely used to host further stages of an attack. The PDF also exhibits characteristics of a link farm, with numerous embedded URLs pointing to various external resources, likely for SEO manipulation or to obscure the malicious redirector. No scripts were extracted from this sample.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

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=android+secret+code+list+pdf
- http://files.abcoindustrialsales.com/uploads/1/3/0/9/130970008/lezep.pdf
- http://ludutifo.theridgevillebakery.com/uploads/1/3/0/7/130776177/f57f0.pdf
- http://files.yogablackpool.com/uploads/1/3/1/8/131871535/kuposi-kalege.pdf
- https://cdn.shopify.com/s/files/1/0429/1444/7519/files/61103725431.pdf
- https://cdn.shopify.com/s/files/1/0437/1791/8875/files/list_of_compound_words_in_english.pdf
- https://cdn.shopify.com/s/files/1/0429/6127/2983/files/al_ghazali_le_livre_de_l_amour.pdf
- https://cdn.shopify.com/s/files/1/0433/9105/8070/files/vureneworur.pdf
- https://cdn.shopify.com/s/files/1/0429/5612/8412/files/30270101289.pdf
- https://cdn.shopify.com/s/files/1/0431/5732/3925/files/lumebivedojujapixov.pdf
- https://cdn.shopify.com/s/files/1/0433/8050/6785/files/morodapemeluvedajuse.pdf
- https://cdn.shopify.com/s/files/1/0430/8808/5145/files/68496843208.pdf
- https://cdn.shopify.com/s/files/1/0435/3143/6186/files/30767584719.pdf
- https://cdn.shopify.com/s/files/1/0432/8875/6374/files/53195117417.pdf
- https://cdn.shopify.com/s/files/1/0427/9966/1223/files/hawaii_driver_s_manual.pdf
- https://cdn.shopify.com/s/files/1/0434/7019/2805/files/60615598115.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.

Filename	Kind	Source	Size
`font_00_sfnt_off00006002.bin` `b396c5fec2bbecc9d2b38a3ca4ebdf9db201a6f25549372049b897ce115775eb`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6002	4928 bytes
`font_01_sfnt_off000070dc.bin` `c467061c47069063ba486ec3b8847e45595987bbe0a1c5f3b691744cfa0b734d`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x70DC	14588 bytes
`font_02_sfnt_off00009e2a.bin` `d8a1a34de14a7b8fce5e51635835121d353d188f9ac9ce1e11538509fd4c5cdc`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9E2A	16060 bytes

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