PDF malware analysis — malicious · 3de1158bf7bc65ba

MALICIOUS

PDF

48.4 KB Created: 2020-08-11 23:44:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: b0ddefe92553dd863d96da19b9f86bd3 SHA-1: 321ff2351a669c3725b21ab53f20c2a059ea7ffc SHA-256: 3de1158bf7bc65bacc6951a1e8585c73036ad0bfba84fd81fbe84b6fd123fe20

150 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, directing users to 'https://ttraff.cc/pify?keyword=los+7+chakras+pdf'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded links pointing to various PDF files, many hosted on Shopify. The ML classifier also strongly flagged this PDF as malicious. The primary intent appears to be redirecting users to potentially harmful content through a deceptive link.

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.cc/pify?keyword=los+7+chakras+pdf
- http://files.icookyoudinner.com/uploads/1/3/0/7/130775607/vigew-bujawedoforo.pdf
- http://files.theriftny.com/uploads/1/3/1/3/131384492/junogaxal-duxajokibusaso-fakinubi-bazefelap.pdf
- http://files.communityofchristiancreatives.com/uploads/1/3/1/1/131163896/togojuru.pdf
- https://cdn.shopify.com/s/files/1/0450/2568/9758/files/step_up_to_step_3.pdf
- https://cdn.shopify.com/s/files/1/0430/0803/2922/files/sajoloweromuzapiwanovovop.pdf
- https://cdn.shopify.com/s/files/1/0430/4296/3613/files/89353780469.pdf
- https://cdn.shopify.com/s/files/1/0431/3828/5725/files/avast_premier_license_key.pdf
- https://cdn.shopify.com/s/files/1/0428/2476/1507/files/bigegiroferag.pdf
- https://cdn.shopify.com/s/files/1/0432/2807/0052/files/bunabi.pdf
- https://cdn.shopify.com/s/files/1/0437/6887/3112/files/bexiwatofasa.pdf
- https://cdn.shopify.com/s/files/1/0437/6687/4269/files/40058262415.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/wuvinotagug.pdf
- https://cdn.shopify.com/s/files/1/0434/1035/8439/files/25348535531.pdf
- https://cdn.shopify.com/s/files/1/0434/8765/8141/files/callanetics_book_download.pdf
- https://cdn.shopify.com/s/files/1/0432/6191/9390/files/rijojegizovipevezi.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_off00006a0f.bin` `c26a26e7920f342b860a6262195f009c50e9b715d222f4cce9f6df6fe4eb94b5`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6A0F	5296 bytes
`font_01_sfnt_off00007c10.bin` `106a63c898edb8095bcefcbfb01d69c9676e4ebea6d7c68907ac13d3a91662dd`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7C10	10804 bytes
`font_02_sfnt_off0000a006.bin` `6e8951299892fab76860e2ea5b2e33c924fc7cf803395b772d5b77459467bc67`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA006	5924 bytes

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