MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link that redirects to known malicious infrastructure, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains text related to 'Fannie Mae investment property LTV guidelines' and the malicious URL, suggesting a phishing or scam lure. The PDF also hosts a large number of external links, many of which point to benign PDFs, but the primary redirector is a critical finding.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF 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.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne 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/wix?keyword=fannie+mae+investment+property+ltv+guidelines
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://static.usrfiles.com/ugd/d55797_954e56bba9cd44bc91dea833a9205efc.pdf
- https://static.usrfiles.com/ugd/b8c837_94f3cb67255d4f0c95e1f0f6de6a604c.pdf
- https://static.usrfiles.com/ugd/b8c837_75bee5003aae441fa7180ee3df48be7c.pdf
- https://static.usrfiles.com/ugd/b8c837_f872e80152084739b4d1b42d023644cb.pdf
- https://static.usrfiles.com/ugd/b8c837_c687637e74f74d27a788dbd22bed4b5b.pdf
- https://static.usrfiles.com/ugd/41a0b6_942f36b31ff84e6bb8d4e0f2560c1eee.pdf
- https://static.usrfiles.com/ugd/b8c837_99b0b72cad1e4a6c9c1a156e30f12876.pdf
- https://cdn.shopify.com/s/files/1/0430/4257/0402/files/41277064553.pdf
- https://cdn.shopify.com/s/files/1/0447/8933/4177/files/adobe_captivate_user_manual.pdf
- https://static.usrfiles.com/ugd/0cd3a8_fe9c5b5c7cdc4ff49d685a2307651794.pdf
- https://static.usrfiles.com/ugd/a771bd_3d9ecafe8dc7420fb68bcdb8ab8cfd41.pdf
- https://static.usrfiles.com/ugd/b8c837_1351572647e1432a8131b2b08e7c330b.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/
- http://scripts.sil.org/OFL
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000060d9.binb7e4db09e0034ef862cf3fe9e5b3ec001e4e582cec6d2ea4968093c14779fdd4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x60D9 | 5276 bytes |
font_01_sfnt_off000072bf.bin98854b9d124adb05e86f389901736a92dd63bf7f0ec3a667a4ce1fe36c835293 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72BF | 10936 bytes |
font_02_sfnt_off00009796.bind1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9796 | 4324 bytes |
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