PDF malware analysis — malicious · e954429cdc398862

MALICIOUS

PDF

49.7 KB Created: 2020-08-30 12:41:53 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 839b5617aa8af7e745078d2fb36af9cf SHA-1: 0438197be2df9b43de841c2574c88e117e2dd91f SHA-256: e954429cdc398862d15840bcd7c21f60aae48f25791ce096ab71db59d68c1058

128 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/wix?keyword=discografia+ramon+ayala+mega'. Additionally, it exhibits a PDF link farm pattern, with numerous external links, one of which is 'https://cdn.shopify.com/s/files/1/0430/8385/8073/files/gojotubirofasuzinebizaze.pdf'. The presence of a visual download button lure further supports the malicious intent.

Heuristics 4

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.
Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON

Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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/wix?keyword=discografia+ramon+ayala+mega
- https://cdn.shopify.com/s/files/1/0430/8385/8073/files/gojotubirofasuzinebizaze.pdf
- https://cdn.shopify.com/s/files/1/0433/5036/0232/files/55759300014.pdf
- https://cdn.shopify.com/s/files/1/0432/8200/6171/files/40187542933.pdf
- https://cdn.shopify.com/s/files/1/0429/3948/2275/files/de_cero_a_uno_peter_thiel.pdf
- https://static.usrfiles.com/ugd/b65acf_cc39d48922024ce78650a7b3d986d5f6.pdf
- https://static.usrfiles.com/ugd/bb13a2_bf9ad64e5e394f2fa8d8fb86e80887e4.pdf
- https://static.usrfiles.com/ugd/b8c837_667933dfe85642a585d3573aa8fc227a.pdf
- https://static.usrfiles.com/ugd/b8c837_b6119add9b6548a69bda4b1565afe2f1.pdf
- https://static.usrfiles.com/ugd/a18aa6_688d2be674a04becb3f2c0a56877f47e.pdf
- https://static.usrfiles.com/ugd/b8c837_a2c4bba5127a4c2b93fd32c817457492.pdf
- https://static.usrfiles.com/ugd/067ecb_679b748e62ec477f916850db1b93f4b5.pdf
- https://static.usrfiles.com/ugd/7ff653_cb58ed58c70f4e6291c2eebb30bc6b0b.pdf
- https://static.usrfiles.com/ugd/b8c837_60c32697e40e47429aa316643a28fa53.pdf
- https://static.usrfiles.com/ugd/b8c837_d238e8a2d67e4e41911288f40a2d4cc3.pdf
- https://static.usrfiles.com/ugd/0aab01_b178d2ce1b51453f916adb595ef2600a.pdf
- https://static.usrfiles.com/ugd/0a052f_300dd4711ff24fce982eb9818f0d4bc4.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_off00007bba.bin` `e035c84b56f116ee22b80203b1fe10a95bc919ba7de59c0dca43aa77d244d4a4`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7BBA	5300 bytes
`font_01_sfnt_off00008dad.bin` `7006f07e523fbf57d15f52cfdc5e731659d929c77a9e258cc75d9f1307ca862d`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8DAD	14208 bytes

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