MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document was flagged as malicious by a machine learning classifier and contains a critical heuristic indicating it links to known malicious redirector infrastructure. The document body, though partially corrupted, contains the URL 'https://ttraff.ru/pify?keyword=classroom+of+the+elite+light+novel+volume+9+pdf+download', which is likely used to lure victims. The PDF also contains a large number of embedded links, many pointing to Shopify domains, suggesting a link farm strategy to distribute malicious content.
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.ru/pify?keyword=classroom+of+the+elite+light+novel+volume+9+pdf+download In PDF document text
- http://files.pawsacupuncture.com/uploads/1/3/2/6/132682134/nozofobepar.pdfIn PDF document text
- http://files.ceciliatrono.com/uploads/1/3/0/7/130739362/nodasudezefib.pdfIn PDF document text
- http://files.benallanoff.com/uploads/1/3/1/8/131857847/6759102e8.pdfIn PDF document text
- http://files.africabusinessreview.net/uploads/1/3/1/4/131407138/sozefofe-fenefuvejebezo-pavukusapeloset.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/1/0428/9835/8432/files/38935964995.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6151/8231/files/fusionner_plusieurs_documents_gratuit.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/befuxaj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/8786/9592/files/fuwuguwanezenuk.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3884/2779/files/17230510256.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/nazowexoratusitufunu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4104/5145/files/31141829806.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2026/3322/files/58666948038.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1459/4466/files/95858931542.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2929/1427/files/68557070634.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1094/9273/files/giperumonutapomen.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7709/8910/files/mofaxiki.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_off00006416.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6416 | 5692 bytes |
SHA-256: 9d0f23f16b5e1dbec40e1450137db2f74a590db50ce291f093c1a6d9b2e25def |
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font_01_sfnt_off000077ea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x77EA | 5668 bytes |
SHA-256: d99549794df6504ab73cb89f546a4cc838abdb2c39cd829cf8639158b4c55002 |
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font_02_sfnt_off00008b18.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8B18 | 10324 bytes |
SHA-256: 3aa6dcd99ca4d4471036c1a7fffa628fc350b47f460bff6e66119b4384e73d76 |
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font_03_sfnt_off0000ae95.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE95 | 16416 bytes |
SHA-256: 4bf7462e787791ee30cced4e4a0065977ba460b587ec5e4d0bf31a1282398818 |
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