MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a mass of external links, with one specifically identified as a malicious redirector. The document body, though heavily obfuscated, contains text that appears to be a case reference ('Christopher v bare 1848 11 qb 473') which is likely used as a lure. The primary malicious IOC is the redirector URL, which is designed to lead the user to further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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.me/wix?keyword=christopher+v+bare+1848+11+qb+473 In PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://static.usrfiles.com/ugd/d43733_a9fe32c557304b2396281f02dcf0d948.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_6496ba0ea7e0410296fce502a7dc1e01.pdfIn PDF document text
- https://static.usrfiles.com/ugd/21a131_1fb6b3991d544a2595193b84a8049eac.pdfIn PDF document text
- https://static.usrfiles.com/ugd/f523c3_c86dcc2294be4700aa49068473267fa6.pdfIn PDF document text
- https://static.usrfiles.com/ugd/003b86_152c6553644f490291fcfb45e0e8d196.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_9152adba514f4e8fa39da77a059d4bd7.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_e02fd5b81f1b4eb8909d192f86466ecc.pdfIn PDF document text
- https://static.usrfiles.com/ugd/9a242c_907c42116ebf4ff6a1476df57f619b9f.pdfIn PDF document text
- https://static.usrfiles.com/ugd/e7e4a0_b76d2d4a6cc74eaeb45f763ea14759e7.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_46f6a3b0ad8842e9a77841f0ba807c20.pdfIn PDF document text
- https://static.usrfiles.com/ugd/2f3ac6_0357c100d71644c8919b2c5b6a423236.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_b684c3bbe04f4812baeb904e999776ef.pdfIn PDF document text
- https://static.usrfiles.com/ugd/4b7290_f7363417a2da4b0ea961b873f3dfb040.pdfIn PDF document text
- https://static.usrfiles.com/ugd/8ba634_8f16dfb77dab4f8b8d87a12ac3ae6785.pdfIn PDF document text
- https://static.usrfiles.com/ugd/80bfa9_5189dcbaf1f34211be6cef136934829d.pdfIn PDF document text
- https://static.usrfiles.com/ugd/7f16bd_a2232c2b1e3a44d9afbb2ab75a63c981.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000a416.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA416 | 5684 bytes |
SHA-256: 340da16f7d0c9aa5bc2bd67c807a7dde978d9eb12829fda4f6ee3851ddd56d08 |
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font_01_sfnt_off0000b785.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB785 | 16812 bytes |
SHA-256: 17200d80d8a326ceae5beded83f6f5a95fa13b6bec068fb64d6550529e66e514 |
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font_02_sfnt_off0000ea2d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA2D | 16132 bytes |
SHA-256: 2def80ee9cf871b89fa1821d83521187f92649b88f41053709a5a2c79b3e7c85 |
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