MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links to external resources, masquerading as educational material. One critical heuristic identified a link to a known malicious redirector infrastructure, specifically 'https://ttraff.cc/pify?keyword=principle+of+mathematical+induction+class+11+ncert+pdf'. This suggests the document is designed to lead users to malicious websites, likely for phishing or malware distribution. The ML classifier strongly supports the malicious verdict.
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=principle+of+mathematical+induction+class+11+ncert+pdf In PDF document text
- http://lobaw.marc-e.com/uploads/1/3/2/7/132740214/c33efa56309c.pdfIn PDF document text
- http://files.happybenzene.com/uploads/1/3/1/4/131437243/5e589654ff.pdfIn PDF document text
- http://suxabov.yakimatietonirrigation.com/uploads/1/3/2/6/132681946/50f81dfc.pdfIn PDF document text
- http://dupimekoj.callabeautyboutique.com/uploads/1/3/2/6/132695569/tasurizego_garow_mitigugawopoxe_gazana.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/1/0439/3956/1630/files/24041819106.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6133/0591/files/genam.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9802/9733/files/go_keyboard_emoji_plugin.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/5228/3542/files/insulin_glargine_mechanism_of_action.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8227/6250/files/9255680134.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2021/2645/files/zufidotonakasu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8110/4541/files/3720982702.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6295/1062/files/lean_six_sigma_black_belt_body_of_knowledge.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1784/6432/files/phototropism_and_geotropism.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1678/8890/files/attracting_and_retaining_talented_employees.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/7996/4574/files/69524585417.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005ffe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5FFE | 5448 bytes |
SHA-256: cd38e9efa6ccaec16b01158b8298af9ba6baf33f7c811aa1fdf38887abb1983a |
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font_01_sfnt_off0000724c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x724C | 9664 bytes |
SHA-256: ffe098d7c047329fe6837cf01140007dc7ccb5cf7be8bb4dbf355a28ba387176 |
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font_02_sfnt_off000093a8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x93A8 | 16144 bytes |
SHA-256: f7f944af48a1f29a4fc81369acbb7667dc0c0bb312d09d0e658341ed730dbf86 |
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