PDF malware analysis — malicious · 4372ede07ed211a8

MALICIOUS

PDF

74.5 KB Created: 2020-09-01 02:55:23 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 41ed9a1c03beff412081f5ad9896d679 SHA-1: 28d3f0336a8e38bf036942a395fd7d3c10538c1a SHA-256: 4372ede07ed211a8ffaeb67eec063fef46688c5e2e8e32963b8c7a2798e8ea0e

160 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.me/wix?keyword=chukar+mere+man+ko+song++bestwap'. Additionally, it exhibits a PDF link farm heuristic, with many links pointing to Shopify domains, one of which is 'https://cdn.shopify.com/s/files/1/0434/0629,5196/files/nasm_manual.pdf'. The 'SE_PASSWORD_ARCHIVE_LURE' heuristic indicates the document likely instructs the user to open a password-protected archive, a common tactic to bypass gateway security. No scripts were extracted from this sample.

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.
Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE

Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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.me/wix?keyword=chukar+mere+man+ko+song++bestwap
- https://cdn.shopify.com/s/files/1/0434/0629/5196/files/nasm_manual.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/fasexerogetotano.pdf
- https://cdn.shopify.com/s/files/1/0431/2776/7206/files/sakozo.pdf
- https://cdn.shopify.com/s/files/1/0428/0179/1132/files/assumptions_of_cardinal_utility_approach.pdf
- https://cdn.shopify.com/s/files/1/0462/2018/1658/files/tabenidewazuwevetosupa.pdf
- https://cdn.shopify.com/s/files/1/0430/8752/8103/files/livro_associativismo.pdf
- https://cdn.shopify.com/s/files/1/0437/4655/8113/files/kurom.pdf
- https://cdn.shopify.com/s/files/1/0427/7927/9527/files/vomat.pdf
- https://cdn.shopify.com/s/files/1/0439/2147/3691/files/9912008598.pdf
- https://cdn.shopify.com/s/files/1/0433/4501/9045/files/31792336646.pdf
- https://static.usrfiles.com/ugd/d01287_a7dcfc8ca07b4d0dbf8890a94293d7cb.pdf
- https://static.usrfiles.com/ugd/3e9e83_715735306c49474e8c20bec6969bf6b9.pdf
- https://static.usrfiles.com/ugd/f3ecbe_5a5828f0457a48068838204fcb1b2836.pdf
- https://static.usrfiles.com/ugd/de02f3_c46d65b197b14b43beb74f2f37620f8a.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_off0000e0de.bin` `b7b9bd3b461d3cb17fd1d46199ac0600d1470bffcd665a88593125aeeb01bd71`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE0DE	5400 bytes
`font_01_sfnt_off0000f31c.bin` `61d048dff07b9fefcc52878a6a38b67be4dc44b839ae8a502f620c2021b92438`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF31C	13396 bytes

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