MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple heuristics indicating it's a malicious redirector, including PDF_MALICIOUS_REDIRECTOR_LINK and PDF_SEO_LINK_FARM. The document body explicitly contains the URL 'https://ttraff.ru/pify?keyword=assault+cube+linux', which is also flagged as a malicious redirector. This suggests the document's primary purpose is to trick users into visiting this URL, likely to download further malware or engage in phishing.
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.ru/pify?keyword=assault+cube+linux In PDF document text
- http://jinerux.alquintaforestgarden.com/uploads/1/3/2/7/132712326/movixobuduf-lugopetudefax.pdfIn PDF document text
- http://files.dustincurtismemorialscholarship.org/uploads/1/3/0/8/130873918/sujukeki.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0431/1249/7312/files/fupimefelu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4556/0219/files/88884249625.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8353/0394/files/chaupai_sahib_path_in_english.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/8809/9993/files/html_to_converter_c_open_source.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6638/3770/files/ridukodurexogutosazuwuku.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/9369/2326/files/differential_calculus_and_integral_calculus.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4133/3147/files/60585430351.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1356/0727/files/75136518447.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8876/4316/files/saxon_algebra_1.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4684/6107/files/44929183717.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/8543/6830/files/vivaba.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000072ec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72EC | 4668 bytes |
SHA-256: a4c35a9694dc431ef6113db66cb13a7d335862393d0d35d5adb22cbbb5e8fe75 |
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font_01_sfnt_off000082cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x82CF | 10128 bytes |
SHA-256: ca97ac6469eaef2a645060166aa86507119e82fef6df036f6684168262bdb0d8 |
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font_02_sfnt_off0000a5a3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA5A3 | 16088 bytes |
SHA-256: ba49a359edda73fb432b2118eee43e8681603f6c6f845ef214af08c3a95321db |
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font_03_sfnt_off0000ba63.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBA63 | 4324 bytes |
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
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