PDF malware analysis — malicious · 32104382f2037ca3

MALICIOUS

PDF

127.3 KB Created: 2020-08-30 09:01:23 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 761895e99383c88bf99c46848dab4840 SHA-1: 2fef6a79db2b7f591f6c9b856b83c9b1cad1bff4 SHA-256: 32104382f2037ca3277dfbbd15974ec51d926d4dd552a2f3b0cbbd83ecb6aa63

120 Risk Score

Malware Insights

MITRE ATT&CK

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

The PDF file contains a significant number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector. The document body, though heavily obfuscated, contains the malicious URL. This suggests a link farm attack pattern designed to redirect users to malicious sites, potentially for phishing or malware distribution.

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.com/wix?keyword=qeerroo+bilisummaa+youtube
- https://cdn.shopify.com/s/files/1/0430/4489/6925/files/brew_install_java.pdf
- https://cdn.shopify.com/s/files/1/0432/1483/1780/files/3944533934.pdf
- https://cdn.shopify.com/s/files/1/0435/5316/1367/files/cervical_facet_joint_exercises.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/1261535930.pdf
- https://cdn.shopify.com/s/files/1/0428/2961/1171/files/free_bullworker_manual.pdf
- https://cdn.shopify.com/s/files/1/0431/7511/6960/files/gedimuvidipa.pdf
- https://cdn.shopify.com/s/files/1/0440/6899/5224/files/lbcc_ab540_form.pdf
- https://static.usrfiles.com/ugd/b8c837_4a12b8c2a6b14c78b162a8183953af0f.pdf
- https://static.usrfiles.com/ugd/b8c837_fe0c71f602e84a35953333d0cf281f1d.pdf
- https://static.usrfiles.com/ugd/23e9be_2d3d00f93c3b4d6c939d8c158f0774aa.pdf
- https://static.usrfiles.com/ugd/8a419d_b4a18fad1c254b7b850f1babb1ffbb2b.pdf
- https://static.usrfiles.com/ugd/599f1c_b060107483cd4a61a2e5cfb9a70fe04f.pdf
- https://static.usrfiles.com/ugd/b8c837_5d7761434a5449a08151a7cdeeb9cc05.pdf
- https://static.usrfiles.com/ugd/ca9b0a_db6a8e9354d64a1493997f0aaf5e9f5d.pdf
- https://static.usrfiles.com/ugd/b8c837_7f598550e17d4b59a95388f01a911b41.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_off0001081b.bin` `4a34194edb4eb347c0db23a053e1dd6f60128df126c6f01ac8e6b07f04a477e7`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1081B	63832 bytes
`font_01_sfnt_off0001ab3a.bin` `9b5794217b3f87a9320679ad7343888c47cab802ab3f5fd38d8a5dcf51fe43c6`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1AB3A	5132 bytes
`font_02_sfnt_off0001bc9f.bin` `f551ce2d381de54d72dbce3455d89fa2fa9ff6b67389af92d60366533b676852`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1BC9F	16092 bytes

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