PDF malware analysis — malicious · 5053162724407d2e

MALICIOUS

PDF

39.9 KB Created: 2020-09-01 01:03:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 49a9c6b9d3ec3a091e74bc8dba6a1b32 SHA-1: d7943f17bdff4d281b8329ce6d2c13e96d87ba8f SHA-256: 5053162724407d2eb6c65f203b446312a9b700d40de187c85040d609f1eab1bc

136 Risk Score

Malware Insights

MITRE ATT&CK

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

The PDF contains a link to a known malicious redirector, ttraff.cc, disguised as a question about credit reports. The document also exhibits characteristics of a link farm, with numerous embedded links, and uses urgency lures. The presence of a malicious redirector link suggests an attempt to deliver a secondary payload or phish for credentials.

Heuristics 5

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.
Urgency / deadline lure low SE_URGENCY_LURE

Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
Fake invoice / payment lure low SE_INVOICE_LURE

Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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=do+judgments+appear+on+credit+reports
- https://cdn.shopify.com/s/files/1/0439/0033/8331/files/vifudububufurezufasaxav.pdf
- https://cdn.shopify.com/s/files/1/0463/0708/2402/files/62521211935.pdf
- https://cdn.shopify.com/s/files/1/0432/1083/4077/files/fe_civil_review_manual.pdf
- https://cdn.shopify.com/s/files/1/0437/1238/1079/files/52462464822.pdf
- https://cdn.shopify.com/s/files/1/0434/5944/4889/files/doterra_cedarwood_essential_oil.pdf
- https://static.usrfiles.com/ugd/b8c837_11aa4c9333a142c0af0c7741f0e27970.pdf
- https://static.usrfiles.com/ugd/e2f7e1_ceab4b7e99e74c61836a8603131821e1.pdf
- https://static.usrfiles.com/ugd/a86d68_ad7d17159d9c4f4897353e858d1635d5.pdf
- https://cdn.shopify.com/s/files/1/0438/6498/1664/files/concept_of_political_leadership.pdf
- https://cdn.shopify.com/s/files/1/0434/8693/7253/files/pilanit.pdf
- https://cdn.shopify.com/s/files/1/0436/1525/6738/files/58523814516.pdf
- https://cdn.shopify.com/s/files/1/0435/0961/2712/files/11167663181.pdf
- https://cdn.shopify.com/s/files/1/0432/5651/2676/files/poultry_management_practices.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_off00005de3.bin` `c61b50ad500474c6b138cd1837a663629a948a0197415d6c98f313b4896655da`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5DE3	5436 bytes
`font_01_sfnt_off00007056.bin` `2c1d42cecd001288fbea7556b7ca20ab7bf3424cae1ab131d8729539139501ca`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7056	10380 bytes

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