MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a significant number of embedded links, with one specifically pointing to a known malicious redirector. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains the URL 'https://ttraff.link/wix?keyword=danish+grammar+lessons', which is likely intended to lure users to a malicious site. The presence of a link farm suggests an attempt to broaden the reach of the malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
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=danish+grammar+lessons In 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/1/0430/3686/8762/files/22010608905.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1535/6067/files/82962217518.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3301/0074/files/ancient_roman_art.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1539/7788/files/49782110681.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5339/0743/files/probability_theory.pdfIn PDF document text
- https://static.usrfiles.com/ugd/345929_b3c1623ad28c469c84fe5dc551237f28.pdfIn PDF document text
- https://static.usrfiles.com/ugd/286fb8_356aad1c5eaf4b9ba71db9bf7b95a81b.pdfIn PDF document text
- https://static.usrfiles.com/ugd/a838c0_767a3dfdeeb447a0aa0d0ab9caf65bcf.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_e2b7ad57c16844b7aa4a5a192e0c8564.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2149/1621/files/nimagevefabodujokafig.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3152/7577/files/ppt_free_templates_microsoft.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/4540/2277/files/abbreviations_and_acronyms.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0200/3609/files/marathi_books_online_free_download.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 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010330.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10330 | 2952 bytes |
SHA-256: 72d27e5629b8be5d9fe303d4bc479e4b7bc2f3d565df556df7e1e64f39085ce6 |
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font_01_sfnt_off00010db8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DB8 | 5096 bytes |
SHA-256: 2a1a8860a5f509af2dde4e67d60971c67094f5b56c3c0e32a62d1b2a2232d548 |
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font_02_sfnt_off00011ed7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11ED7 | 3056 bytes |
SHA-256: 1981be102a55c29e41e4993dd36ede6063b468a10ee11872ca1b35e2506394a5 |
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font_03_sfnt_off00012bac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12BAC | 16824 bytes |
SHA-256: 2b8026b5fa81fc4616a6db6a49024fe13ce38db36c17878c40544041ca5b3183 |
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font_04_sfnt_off00015ea1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15EA1 | 16088 bytes |
SHA-256: 2727b978b38a50f39ad898ebf475f8e8b5e599e3ec01ea6686db683a475b2ff9 |
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