PDF malware analysis — malicious · ce09ac5c06fd43b9

MALICIOUS

PDF

59.1 KB Created: 2020-08-17 18:20:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 5c38271c99d99e54d568f77258f8c1de SHA-1: 1d4d91afc90a87188a79355014d4c47f9e79f28f SHA-256: ce09ac5c06fd43b9c67431ea2fac98803589c21b28ad5fa51dc80648afeffd1a

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded links, many of which point to external resources, a technique often used for SEO poisoning or to host malicious content. One critical heuristic firing indicates a direct link to a known malicious redirector at 'https://ttraff.cc/pify?keyword=cisco+c9300-+24t-+e+datasheet+pdf'. The document body, though heavily obfuscated, contains this same URL, suggesting the primary intent is to redirect the user to malicious infrastructure. No scripts were extracted from this sample.

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.cc/pify?keyword=cisco+c9300-+24t-+e+datasheet+pdf
- http://files.hankinsinc.com/uploads/1/3/0/7/130776088/7ba8879e.pdf
- http://vubob.lessons-by-alex.com/uploads/1/3/1/3/131383483/sufidojuk_fuwonetujerode_gojivofivova_dukan.pdf
- https://cdn.shopify.com/s/files/1/0433/4904/9499/files/lubewuvegesoridorapo.pdf
- https://cdn.shopify.com/s/files/1/0428/8148/2919/files/85079962958.pdf
- https://cdn.shopify.com/s/files/1/0436/6126/3001/files/jailbreak_ios_5._1_1.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/famulogux.pdf
- https://cdn.shopify.com/s/files/1/0430/9568/7328/files/91276722172.pdf
- https://cdn.shopify.com/s/files/1/0435/1688/7192/files/9984827128.pdf
- https://cdn.shopify.com/s/files/1/0433/0107/7142/files/71621615560.pdf
- https://cdn.shopify.com/s/files/1/0427/7541/2902/files/86421944414.pdf
- https://cdn.shopify.com/s/files/1/0434/1720/6946/files/77007922459.pdf
- https://cdn.shopify.com/s/files/1/0429/9050/2051/files/rexurilujawuma.pdf
- https://cdn.shopify.com/s/files/1/0437/8784/5790/files/personal_statement_or_word.pdf
- https://cdn.shopify.com/s/files/1/0433/4367/5560/files/92555084438.pdf
- https://cdn.shopify.com/s/files/1/0434/4774/6710/files/15642002097.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_off00008f15.bin` `bf18d1b075fb5e4fcabf8c1548f5c3de742dc63f5055bfa2b1d9b26bba4dc871`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8F15	5536 bytes
`font_01_sfnt_off0000a1f3.bin` `0fe48093b50c7d843ef75033fca299fa66270b0cb84c579f05a4272a2b77e77d`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA1F3	15460 bytes
`font_02_sfnt_off0000d187.bin` `9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD187	4324 bytes

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