MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.me/wix?keyword=significado+de+nome+akiren'. Additionally, it exhibits a PDF link farm heuristic, with numerous embedded links to 'static.usrfiles.com'. The document body, though partially corrupted, contains the same malicious URL and benign-looking PDF links, suggesting a lure to a malicious site. No scripts were extracted from this sample.
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=significado+de+nome+akiren 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/b8c837_38fc3c2a44a84348b772489fde5dbe44.pdfIn PDF document text
- https://static.usrfiles.com/ugd/a2c2bc_e55a82707adf45b1b94196a799e86db2.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_eebae45992ab439ba4e4491924dd2d86.pdfIn PDF document text
- https://static.usrfiles.com/ugd/7d21c0_c032ac6474344858b3755df872a75b5c.pdfIn PDF document text
- https://static.usrfiles.com/ugd/0df15e_7f48916214a34436a8771e437340295d.pdfIn PDF document text
- https://static.usrfiles.com/ugd/565485_c561570f37c54bc490358d1bdd297a57.pdfIn PDF document text
- https://static.usrfiles.com/ugd/0df15e_f6c4902122f64f7ca21fd2c9bdf2d7bd.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b80405_d766cc33e6734a51b93b7a47ed69cc8b.pdfIn PDF document text
- https://static.usrfiles.com/ugd/e42ee3_2af66353cdc0419eb017651dfd336454.pdfIn PDF document text
- https://static.usrfiles.com/ugd/0049ca_de4e0f900f8e42a1a0442ee7af03a9f3.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_bc15fbd2af7f40538e429bed6b43baaa.pdfIn PDF document text
- https://static.usrfiles.com/ugd/2ac701_49b289cfad384fef92033892ef85c28d.pdfIn PDF document text
- https://static.usrfiles.com/ugd/07ef24_576649b977f04b12a0a86b0bbedc3bb7.pdfIn PDF document text
- https://static.usrfiles.com/ugd/253000_adb5079d5b604f9baab2dafee6cbbade.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_453b49a91bbe4ca78793cb8de7d4e7ab.pdfIn PDF document text
- https://static.usrfiles.com/ugd/07625c_b8f07b4c76654ea2a129ef3984ce898a.pdfIn PDF document text
- https://static.usrfiles.com/ugd/5fd5c1_c74260ce66ff477988848009045095b0.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_43be3bc142ca4fbea274bbe945c4e436.pdfIn PDF document text
- https://static.usrfiles.com/ugd/8127dd_494bdd3c53074935a1b9cd8f66713c37.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
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000075d9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x75D9 | 5300 bytes |
SHA-256: f602d1f3d4378f405fbf983ec3a202d070cdaa0f26867e7c5bb0fe7fe9ef8356 |
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font_01_sfnt_off000087be.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x87BE | 1884 bytes |
SHA-256: f5a3e0886b95c9b467f99b5e94d28133f575fbf2270330b68ad91cfe8bde1cf1 |
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font_02_sfnt_off000090dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x90DC | 13724 bytes |
SHA-256: 1557a748781999e652f5a364c032c37bda9d43e156e15663c0e5291885ae5608 |
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