MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link pointing to ttraff.com. Additionally, a large number of embedded links were found, many pointing to static.usrfiles.com, suggesting a link farm or redirection strategy. The ML classifier also strongly indicated maliciousness. The embedded URL is likely intended to lure the user to a malicious site for further exploitation.
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.com/wix?keyword=le+type+sp%25C3%25A9cial+%2528%2540guyspeciall+instag 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/b4609a_d298dff2d24b4fc5976f34e9d3c34969.pdfIn PDF document text
- https://static.usrfiles.com/ugd/ae15ca_a4c45a10a9a647f18af69bbcfbcb0fc9.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_cb202433613e44efa46ec4588a2dae1e.pdfIn PDF document text
- https://static.usrfiles.com/ugd/c5d40f_5145c3d3fb92469c94680692d32f077e.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_a2fc3fdd1b7b45ecac6f7c150c6a00a4.pdfIn PDF document text
- https://static.usrfiles.com/ugd/cf14a4_ba154d6e81654d888427efb31cdd7c77.pdfIn PDF document text
- https://static.usrfiles.com/ugd/dd4472_68285f9877dc47629e064f1fe1b38eed.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_1ba49b58ce7449a587958b952fcb2dcc.pdfIn PDF document text
- https://static.usrfiles.com/ugd/e3834b_47d0ebb1a84d45b58b077f6e63afcb46.pdfIn PDF document text
- https://static.usrfiles.com/ugd/1c8c6c_f359171bbcf6499b900ecb67dfe0a65a.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_423f1dee98b64e0db23e64b60ffe3dff.pdfIn PDF document text
- https://static.usrfiles.com/ugd/1c8c6c_fbcf6e8631a941789e9f7718033abbb4.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_3be500aae3ec4f30908e389f6d583f57.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_49aec9fce2f141f186f63bb2d1b46d0f.pdfIn PDF document text
- https://static.usrfiles.com/ugd/9219f8_90598e7681db4a8a9abc3ced227afed7.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4571/6129/files/74612001994.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4258/5241/files/zelazaw.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_off0000b186.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB186 | 5600 bytes |
SHA-256: 180701bc24f8fb905414b80b33bebb23257612e8f1228c8dd5218a25ad2a44e6 |
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font_01_sfnt_off0000c481.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC481 | 11008 bytes |
SHA-256: a889bd551525b62e5d3abe2dbae021816760fea4a2fc4f89d4b14d6fe613ccf9 |
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font_02_sfnt_off0000ea13.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA13 | 16576 bytes |
SHA-256: 1cb2765ce83600601d8c1430f1274b600b839c0e45d74e1f92657bbaef0cfc28 |
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