MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large 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 URLs that are part of a link farm, suggesting an attempt to manipulate search engine results or distribute malicious content. 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.com/wb?keyword=proof%20by%20contraposition%20examples%20pdf In PDF document text
- http://files.goldenstatesurrogacy.com/uploads/1/3/0/7/130740112/lesivalobofavo-dulifosajux-gugadi.pdfIn PDF document text
- http://files.mx.youngstaekwondo.net/uploads/1/3/0/7/130739387/7151198.pdfIn PDF document text
- http://files.acupunctureworkswonders.com/uploads/1/3/0/7/130739027/612eb68.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/1/0430/3467/3301/files/74271322727.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/4166/6710/files/domowaxutifitugosazor.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7441/2949/files/10163270389.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9291/1007/files/99362670205.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2648/9249/files/2597779946.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4593/6534/files/jufogojitokosavig.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0956/4064/files/76376837776.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1987/8048/files/greyjoy_family_tree.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7091/4717/files/dodge_service_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/waxigulazatep.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2125/4312/files/39736670904.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0990/8642/files/pokizevavosabux.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4887/7736/files/27347874728.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_off00005a4e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5A4E | 5400 bytes |
SHA-256: 17792dcf05e8a084718b615d7b19e68a05f22b80eabd03f15e221605c73afaa0 |
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font_01_sfnt_off00006c8c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C8C | 9940 bytes |
SHA-256: 2ac3844d9915f4fec3e68eb867cb3ab68a75a55127c7fa9753ae1df252e5e306 |
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font_02_sfnt_off00008ec6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8EC6 | 16148 bytes |
SHA-256: 239a3a4a3060670897ac50d8e859cc50fc808890992ee37fdfdb3b2d9df49b0e |
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font_03_sfnt_off0000a3ce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA3CE | 4324 bytes |
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
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