MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, with a primary link pointing to a known malicious redirector. The document body, though partially corrupted, includes the same lure text and URLs, suggesting a phishing attempt to redirect users to malicious content. The ML classifier strongly flagged this PDF as malicious, reinforcing the assessment of a phishing attack.
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/pify?keyword=download+light+novel+classroom+of+the+elite+sub+indo+pdf In PDF document text
- http://files.rjmasters.com/uploads/1/3/1/8/131857758/lokomepowuge.pdfIn PDF document text
- http://files.ardenandscott.com/uploads/1/3/1/1/131163976/melusejot_guxuwugovufubiw_riziwonigaturig.pdfIn PDF document text
- http://files.bujinkanmedicinehat.com/uploads/1/3/2/6/132696351/56b89e7.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/1/0436/1846/7997/files/xuwevejokoxozevadonapij.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0458/3318/files/galukapoladetewepasoxemon.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/0749/0717/files/43310261407.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/27039997465.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0448/6055/files/gaxux.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7026/7291/files/22428967575.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5978/9472/files/mozogowi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4253/7629/files/91818494835.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1485/6610/files/teluwimamivub.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4829/6857/files/tamimixufijud.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5613/6341/files/mupugovasigodobo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2345/6661/files/suzigunuvuvoliboje.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005cc5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5CC5 | 18580 bytes |
SHA-256: dd6fb9e36c80d7d61d4910b68ac0d8b04dd3bc33fffd1955a53be051d216860d |
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font_01_sfnt_off00009802.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9802 | 5860 bytes |
SHA-256: cf775a0e3fd1257441d81519181fe9d65881a9f60cebab41bc42258a4cd4f869 |
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font_02_sfnt_off0000abe0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xABE0 | 1800 bytes |
SHA-256: daad3f347a4f42f432ee9983e619a7c063e36761dba5934b469418034847e28e |
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font_03_sfnt_off0000b46e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB46E | 10480 bytes |
SHA-256: d36028ba6c7657fa7dcbf20e8d8f4f9368a8115b4cdde4efe9fe72bc3f7caed1 |
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