MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a mass of external links, many pointing to a redirector service identified as malicious. The document body, though heavily obfuscated, includes the URL 'https://ttraff.cc/pify?keyword=shadowing+let+s+speak+japanese+beginner+to+intermediate+edition+pdf', which is a known malicious redirector. This suggests the document's primary purpose is to redirect users to malicious sites, likely for phishing or malware distribution.
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.cc/pify?keyword=shadowing+let+s+speak+japanese+beginner+to+intermediate+edition+pdf In PDF document text
- http://files.colonelscup.com/uploads/1/3/0/9/130969986/411935.pdfIn PDF document text
- http://files.amymoenart.com/uploads/1/3/2/7/132740619/7162139.pdfIn PDF document text
- http://files.poetweaver.com/uploads/1/3/2/6/132683267/komixe_xanotuge.pdfIn PDF document text
- http://files.bcmca.org/uploads/1/3/1/6/131636956/wovenaxodidosaruzuso.pdfIn PDF document text
- http://files.barbsbelizeandbeyond.com/uploads/1/3/2/7/132710780/698166b1eaa2.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/1/0433/0687/7080/files/10542261424.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9875/0619/files/9th_class_chemistry_notes_sindh_board.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/xuxovozukirofavekejob.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3503/3757/files/tenagumaw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0734/3772/files/darapuzuvebigeji.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9648/9632/files/66131263182.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8295/7478/files/24093521944.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4757/4949/files/limavemadukiwenasumu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7708/2019/files/51330522546.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6059/9711/files/cisco_ccie_routing_and_switching_book.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7719/7221/files/tumuzug.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6552/3862/files/51196023587.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_off00005d08.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5D08 | 7008 bytes |
SHA-256: 82bef9b002f920e122c087fe4e81dde47f7488ee49e7b789e91aff6eaa586d6e |
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font_01_sfnt_off000074cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x74CD | 5932 bytes |
SHA-256: 81eb1edcd16d4785d82859dadbb789ad25dc8efa5fee139e2341b0bbea1d7f46 |
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font_02_sfnt_off000088e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x88E5 | 10188 bytes |
SHA-256: ba42912e2ad45552362b65799d6f5837c9862f969ea9fbd0a43232c591246395 |
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