PDF malware analysis — malicious · 1bffa8c46e81f759

MALICIOUS

PDF

50.4 KB Created: 2020-08-30 13:05:36 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 44aaacc7f25f1c25e0c51bb2c747b613 SHA-1: ad4d4acc572450b2bc11986493d9d7ca43c5c8a9 SHA-256: 1bffa8c46e81f759b52a31172ab82299c0aab17def4eb212f77733454a4e344c

160 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a link farm and a critical heuristic firing for a malicious redirector. The document body, though heavily obfuscated, contains a URL that appears to be a lure for downloading software. The presence of a password-protected archive lure suggests the actual payload is likely encrypted to evade initial scanning.

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=norton+systemworks+2008+premier+edition+11.0+download
- https://static.usrfiles.com/ugd/b8c837_d26cb12c52a44130914d4c5577b4c534.pdf
- https://static.usrfiles.com/ugd/bf650e_7e5bdbd42fb34b048819b819d579a93d.pdf
- https://static.usrfiles.com/ugd/eb4c03_4da3a61dd2ca4ebf8dd0b4f943fdbc21.pdf
- https://static.usrfiles.com/ugd/fd7405_0a613e8302084ae09a6a62510e20e965.pdf
- https://static.usrfiles.com/ugd/1be480_9f9263a95c034b9f8879367c1e771dcd.pdf
- https://cdn.shopify.com/s/files/1/0429/1634/8071/files/share_allotment_letter_format.pdf
- https://cdn.shopify.com/s/files/1/0437/0749/8647/files/calcium_chloride_msds_sigma.pdf
- https://cdn.shopify.com/s/files/1/0431/7983/5549/files/vapetubigatub.pdf
- https://cdn.shopify.com/s/files/1/0434/2834/8056/files/52034724185.pdf
- https://cdn.shopify.com/s/files/1/0432/9367/1588/files/75834010688.pdf
- https://static.usrfiles.com/ugd/b8c837_81dc683b970c48aca77afce710b8cbcd.pdf
- https://static.usrfiles.com/ugd/7ff653_c0aaca9fcaec4799919642217c114949.pdf
- https://static.usrfiles.com/ugd/b8c837_b13eb799a49f48f1a2cc878bcc9686c7.pdf
- https://static.usrfiles.com/ugd/b48b60_b24100813bd241ee8ec58b592baa2b68.pdf
- https://cdn.shopify.com/s/files/1/0433/4980/3159/files/injection_molding_tolerance_guide.pdf
- https://cdn.shopify.com/s/files/1/0437/1926/2357/files/tofivilikikananebutukixe.pdf
- https://cdn.shopify.com/s/files/1/0434/0069/1862/files/72086416918.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_off000083fc.bin` `f9f4aa11b8ea3134fe3dae2c168f5b49ac2ae3e3f554fef52ec81a87cb0985cd`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x83FC	5884 bytes
`font_01_sfnt_off00009811.bin` `c0fbfb2e3f5cd08e38c0ecbf3942b948f7d129bf665166e4ddb0543bf22bc681`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9811	10684 bytes

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