MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many of which point to redirector infrastructure and SEO link farms, indicating a malicious intent to drive traffic to potentially harmful sites. The ML classifier strongly flagged this PDF as malicious, and the presence of a known malicious redirector URL further supports this assessment. The document body text, though garbled, contains the same lure text as the malicious redirector URL.
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.me/wix?keyword=stiff+records+if+it+ain%2527t+stiff In PDF document text
- http://wowakew.drginamaffia.com/uploads/1/3/0/7/130776349/3984671.pdfIn PDF document text
- http://panano.thomasaquinasbaltimore.org/uploads/1/3/1/3/131398225/xekuzejo.pdfIn PDF document text
- http://files.sandrawadkin.com/uploads/1/3/1/6/131606346/supeluveze.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://06d63985-295d-414c-8dd1-39311423ad7a.filesusr.com/ugd/724bd4_21328cfa88854e92b2669f450383a8ce.pdf?index=trueIn PDF document text
- https://f972a361-8678-4688-b917-fab424ca380d.filesusr.com/ugd/585b1d_7009f8865f5c41b0875a3e530cce847d.pdf?index=trueIn PDF document text
- https://dc0a8cc7-4bf5-4ac0-94ad-5e5353530cef.filesusr.com/ugd/ee4a13_98be46ed42b6428e92d87fa1e4de23a4.pdf?index=trueIn PDF document text
- https://6f3d24f1-e2f3-4bd3-8f34-9a6a3c5ab13e.filesusr.com/ugd/8a9bcc_c7ce37dd1bc84a0abc213e387f9d443d.pdf?index=trueIn PDF document text
- https://edfbefbb-ad6d-4238-a58c-6a3ac08556f3.filesusr.com/ugd/576447_048e0a51f2dc4e64881cc9d4d967dc3e.pdf?index=trueIn PDF document text
- https://f2ef0c0a-e38d-4c28-838d-a4e400813059.filesusr.com/ugd/f34323_1cd4e8e7853847ba80251300de65009f.pdf?index=trueIn PDF document text
- https://0f48c2d5-601a-46ba-aadc-c38ad9f3da46.filesusr.com/ugd/cac9e4_410fc2b49e6f4b31ab49ce2f8390b2d5.pdf?index=trueIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/5932/8662/files/bojidagugaviramajufaxebij.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4990/9415/files/58748231695.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8549/6482/files/7689817550.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5857/7046/files/sipopugexopezegajewav.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0485/1987/2674/files/rogue_soul_3_unblocked_66.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_off0000a95b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA95B | 7888 bytes |
SHA-256: 9f83c5f83a0407f2d00cce173e5b0f5def16d4162760460ecd009de5efe9a61c |
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font_01_sfnt_off0000c34d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC34D | 5120 bytes |
SHA-256: 181072271dfddd12576fd1e6e8c348e13bb9729b9b9d196f3ac2aa9698a7aaf2 |
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font_02_sfnt_off0000d4cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4CD | 15276 bytes |
SHA-256: 8be231ee620358bf91718b3025949833dc2074f02a5527e773be1d9de540cd91 |
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