MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, many pointing to a link farm and redirector infrastructure. A critical heuristic identified a link to known malicious redirector infrastructure at 'https://ttraff.club/123?keyword=wen+6510+vs+6510t'. The presence of a 'download button' lure and the ML classifier's high confidence score further support a malicious intent, likely to redirect users to a phishing or malware distribution site.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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.club/123?keyword=wen+6510+vs+6510t In PDF document text
- https://joleziravakejar.weebly.com/uploads/1/3/4/4/134460301/3598183.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366022/normal_5f8708f3ec48f.pdfIn PDF document text
- https://s3.amazonaws.com/suzitivasekoga/game_hacker_no_root_apk.pdfIn PDF document text
- https://s3.amazonaws.com/fusidejebi/japakezi.pdfIn PDF document text
- https://s3.amazonaws.com/bezutu/tan_card_application_form.pdfIn PDF document text
- https://sirawomaperuli.weebly.com/uploads/1/3/1/3/131398091/vujemaxukevazow_jarirojavow_gagusedimu_lovumipagete.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369163/normal_5f88c0dbec948.pdfIn PDF document text
- https://s3.amazonaws.com/palikuvexake/9616033736.pdfIn PDF document text
- https://s3.amazonaws.com/tanikanaw/ahmedabad_city_information_in_gujarati.pdfIn PDF document text
- https://s3.amazonaws.com/jufowokedunod/tapejobudevituwakinori.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4388407/normal_5f941a2513567.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4365619/normal_5f86fb4c7f7ec.pdfIn PDF document text
- https://s3.amazonaws.com/jotizifime/widupipato.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0493/5421/1487/files/gumamosiwixalamerizenuves.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0496/6324/6485/files/85998707620.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2758/6472/files/vitetotis.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn 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 |
|---|---|---|---|
stream_005_off0000988f.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x988F | 17572 bytes |
SHA-256: 9488718f52c45f1716d61c28192a7e0539e24765c911004012847877cfb2fb31 |
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font_00_sfnt_off000065bf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x65BF | 4888 bytes |
SHA-256: c2ecccefbbde7a6f9d0793a646b04ed7c12c7f6c7f2a190d875f8faaa33547d6 |
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font_01_sfnt_off00007697.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7697 | 9940 bytes |
SHA-256: 4a577b8b2317053423ad160940d5e64eb1fe28b67dedcba7805e52b467cf6f3d |
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