MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, many pointing to a redirector service that is flagged as malicious. The document body, though heavily obfuscated, contains a URL that appears to be part of a link farm designed to lure users to malicious infrastructure, likely for phishing or malware distribution. The ML classifier also strongly indicated maliciousness.
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=div.+avatar-+3px.+wrapper-+3t9dea In PDF document text
- http://toluzuv.royboswell.com/uploads/1/3/1/4/131453177/62ae806d976fd.pdfIn PDF document text
- http://files.haywardfitnessfanatics.com/uploads/1/3/0/7/130775174/8e32b317b2c18c.pdfIn PDF document text
- http://files.christiancarlson.com/uploads/1/3/1/4/131438423/pemijupugiworep.pdfIn PDF document text
- http://files.stormvisionhsv.com/uploads/1/3/0/7/130739269/678114.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/1/0431/1141/5959/files/tekubu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7857/3464/files/59314592328.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4157/9420/files/76593186858.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/6591/5032/files/64526237910.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9600/7065/files/zuvuruvodisapikajetizuvo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/61411835552.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2875/0241/files/zumirujijezed.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1425/0905/files/28227027461.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0449/2584/5659/files/turn_off_screensaver_windows_10.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3329/7058/files/ravofarogamusome.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5840/5280/files/vumarakefovejas.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/99914628395.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/8726/3899/files/40020618199.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_off00008809.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8809 | 5344 bytes |
SHA-256: 0b89a8c1169fff16a644b019a620cfd1e782ffe888d7962b86eb514cb716293e |
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font_01_sfnt_off00009a69.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9A69 | 3120 bytes |
SHA-256: 80d444d32ffd7da7cdeb8c16b7fe79720da2e8c2e902a0ee5acd201cc68a224d |
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font_02_sfnt_off0000a6ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA6EF | 15100 bytes |
SHA-256: 2fcfae865ce3094145bdda09389f5fb26bc266ae71b84ed9c98e923c9d38bfec |
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font_03_sfnt_off0000d6c5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6C5 | 16312 bytes |
SHA-256: 581ab5504cd9586d89a5863901948651ab489b38936f5d37af971ca4652d0d3c |
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