PDF malware analysis — malicious · de085ec3906e80b4

MALICIOUS

PDF

51.9 KB Created: 2020-08-31 03:08:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 0ba1724d8fd113facba65c5d1244defb SHA-1: 3336c90abdfb7b173c5d784996fdcea617ed5464 SHA-256: de085ec3906e80b45c018c9f82f6af107bd83185bd4e275d49cf2598e7f00e24

160 Risk Score

Malware Insights

MITRE ATT&CK

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

The PDF file contains a link farm and a lure for MFA or one-time code harvesting, suggesting a credential phishing attempt. The embedded URL https://ttraff.com/wix?keyword=final+fantasy+1+guide+book is identified as a malicious redirector. The document body, though heavily corrupted, contains references to the lure and other benign-looking PDF URLs, likely to appear legitimate. 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.
MFA / one-time-code harvesting lure high SE_MFA_LURE

Document asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
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=final+fantasy+1+guide+book
- https://static.usrfiles.com/ugd/834936_209c2351a665415584ece1bff8ef9c8f.pdf
- https://static.usrfiles.com/ugd/b8c837_fa4e1d730bb54bb183730743fb3ae968.pdf
- https://static.usrfiles.com/ugd/ce5d00_17357e8238a84075a5ff35c35a7709f6.pdf
- https://static.usrfiles.com/ugd/b8c837_65dd4643af9f455c84a9920ba3ddc9b8.pdf
- https://static.usrfiles.com/ugd/b52961_e9e4b4b980564d9081ba96f95c8e77b5.pdf
- https://static.usrfiles.com/ugd/ad2ade_a0570bcbf3f94718a0a8169baec1d500.pdf
- https://static.usrfiles.com/ugd/b3bc21_041e6b036f004402ae3199d7700c554c.pdf
- https://static.usrfiles.com/ugd/73c254_868c583a13ef46f491bc33f935ea4d6c.pdf
- https://static.usrfiles.com/ugd/9734e7_e13dfe9a8e264911bd48db0df209d518.pdf
- https://static.usrfiles.com/ugd/2486b5_340a985ceffe48e59ec93b8156b59dda.pdf
- https://static.usrfiles.com/ugd/a107db_6b9d4bf49577464aa1ed11f1c6b4cda3.pdf
- https://static.usrfiles.com/ugd/0ebc1f_a0245b9d51aa462890d57d6fd1f041a9.pdf
- https://cdn.shopify.com/s/files/1/0439/2773/2379/files/72445546551.pdf
- https://cdn.shopify.com/s/files/1/0437/0245/2379/files/the_heritage_of_shannara.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_off000064bd.bin` `d7e041ef35f5e7c758fc8223e6b97d29fca9dc8567ad1db661f9426244b1deba`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x64BD	7616 bytes
`font_01_sfnt_off00007ead.bin` `087004edc5a47163b9116fa79ba923a58691e78646f74c4c1649b3c92a4bf351`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7EAD	5292 bytes
`font_02_sfnt_off000090d1.bin` `bf4d27200458fa91c6f6a65edbb40f1c61f49d6d1d2fe0ca30145bca75996901`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x90D1	16172 bytes

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