PDF malware analysis — malicious · 50de4190603f3004

MALICIOUS

PDF

38.4 KB Created: 2020-08-01 13:54:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 4efd672f739353aefdfaa99e4cd5c1b6 SHA-1: 568266ac4219a2f49067cbd2c25b6d1d92951e22 SHA-256: 50de4190603f3004cc241c1c6ff5b7cf58940a0e6b7cc481e1ba53b3e7f5d8da

180 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF document contains a lure related to converting p12 to pem files, which is a common tactic to trick users into revealing cryptocurrency private keys or other sensitive credentials. It embeds a large number of links, including a critical redirector link to 'ttraff.com', and a link farm hosted on Shopify. The document body, though heavily obfuscated, contains the malicious URL and references to the conversion tool, reinforcing the social engineering aspect. No scripts were extracted, but the PDF structure and embedded links strongly indicate a phishing or credential harvesting attempt.

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.
Recovery secret / private key request critical SE_SECRET_RECOVERY_LURE

Document requests recovery phrases, private keys, backup codes, or saved passwords. Requests for these secrets in a document are high-risk.
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=convert+p12+to+pem
- http://files.retromodern.shop/uploads/1/3/2/3/132303131/1912069.pdf
- http://files.glendha-tafny.com/uploads/1/3/1/0/131070109/f9e14.pdf
- http://files.angelsgowns.com/uploads/1/3/1/8/131872273/3003838.pdf
- https://cdn.shopify.com/s/files/1/0429/9954/6010/files/99573601002.pdf
- https://cdn.shopify.com/s/files/1/0433/4298/7422/files/gibenarawim.pdf
- https://cdn.shopify.com/s/files/1/0429/1434/9219/files/1985_honda_shadow.pdf
- https://cdn.shopify.com/s/files/1/0430/0174/1463/files/99586145614.pdf
- https://cdn.shopify.com/s/files/1/0431/6741/6488/files/jetononunofu.pdf
- https://cdn.shopify.com/s/files/1/0437/2021/2645/files/94596380293.pdf
- https://cdn.shopify.com/s/files/1/0432/4176/7072/files/38061268006.pdf
- https://cdn.shopify.com/s/files/1/0436/1617/4243/files/tulitaxobipuwo.pdf
- https://cdn.shopify.com/s/files/1/0432/0352/6820/files/dejesifinusago.pdf
- https://cdn.shopify.com/s/files/1/0434/1514/2567/files/discord_css_colors.pdf
- https://cdn.shopify.com/s/files/1/0433/4957/3784/files/17710037133.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_off000059bd.bin` `27e21e0c47f408d819f1269684b5b92be42da56b45d5b5f89b025ede48eee91f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x59BD	4692 bytes
`font_01_sfnt_off000069a9.bin` `ef772268a4d9331684f3e0d96755c2f053dd329f6c8fbb564aa779fee606d9c3`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x69A9	10484 bytes

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