MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, with at least one pointing to a known malicious redirector. The ML classifier also strongly indicated maliciousness. The document body is heavily obfuscated, but the presence of the URL 'https://ttraff.link/wix?keyword=sound+attenuator+pdf' within the document body and the PDF structure suggests a phishing or redirection attempt to a malicious site.
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.link/wix?keyword=sound+attenuator+pdf In PDF document text
- http://files.fmbcyubacity.com/uploads/1/3/1/4/131454549/bujakujuwove.pdfIn PDF document text
- http://mekilam.jremarart.com/uploads/1/3/0/8/130814855/fuxulujufomixol-kafenogubuma-mobumunufo-tejumiru.pdfIn PDF document text
- http://files.squarecatvinylshop.com/uploads/1/3/0/8/130813146/xosixofazi.pdfIn 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/90d19e_e39d8cfd32f146f5b9630ece3eb74092.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b7ab08_5fbb347b41b341b9adff1dcfad0d7fe9.pdfIn PDF document text
- https://static.usrfiles.com/ugd/47e66e_1fafe2e70dc54003b80986d8652df619.pdfIn PDF document text
- https://static.usrfiles.com/ugd/3ed902_8f764d92ff5e4adcbe3a595f2aee7369.pdfIn PDF document text
- https://static.usrfiles.com/ugd/10b11f_1fce3f5e5fe54f3fbe8c07fd6caf1496.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6495/0945/files/74342159371.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0940/1251/files/90147602523.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3237/0584/files/discord_isn_t_picking_up_my_mic.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7025/9357/files/49539182234.pdfIn PDF document text
- https://static.usrfiles.com/ugd/8e6e76_002b2bc61c874097a19b24b77908d73f.pdfIn PDF document text
- https://static.usrfiles.com/ugd/23b571_54b7b918687f4e3796943357c2d6ad60.pdfIn PDF document text
- https://static.usrfiles.com/ugd/3e87bf_347eb48b200c4586b5c547518e985d89.pdfIn PDF document text
- https://static.usrfiles.com/ugd/0789d5_2cd7fb562ee245e2bbb70b232eba01bf.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b4609a_0069ed5b1dca45c2b3e00a8765d3508e.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_off000087da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x87DA | 4928 bytes |
SHA-256: 9df344960965661d7e9c7c134a362c2941c4029ad950e36ed80e6f568e942415 |
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font_01_sfnt_off000098ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x98AE | 15812 bytes |
SHA-256: 4ccbd8c283b6bed221b355b64eb6f606b7e655dafe9ab50ad5e9fe0eda50098a |
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font_02_sfnt_off0000ca42.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA42 | 16036 bytes |
SHA-256: 354dce64f07f3d7acdf6a04edf763950ffbfec4edcbb4bfe17b65a83544077bb |
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