MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/pify?keyword=s.+y.+b.+com+books+pdf+mumbai+university'. This indicates the document's primary purpose is to trick users into visiting this malicious URL. The presence of numerous other external PDF links, identified as a 'PDF link farm', further supports the malicious intent of distributing or redirecting users. The ML classifier also strongly flagged this PDF as malicious.
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=s.+y.+b.+com+books+pdf+mumbai+university In PDF document text
- http://fariji.heathmereprimary.org/uploads/1/3/1/3/131379965/7f20f41271e33.pdfIn PDF document text
- http://files.huntingtonlandmark.com/uploads/1/3/0/7/130738752/velaxenozoxunedutud.pdfIn PDF document text
- http://files.wildgooseqigongpdx.com/uploads/1/3/2/7/132740951/6080873.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/1/0428/0107/0247/files/13935022539.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7916/4314/files/abecedario_completo_mayusculas_y_minusculas.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/0842/9977/files/accountancy_comprehensive_project_for_class_12_cbse.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/0821/1619/files/nuwim.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/1653/3654/files/tutorial_of_microsoft_excel.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4020/9056/files/41595501275.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6574/5314/files/lafikuf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/2380/9187/files/24969093311.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2870/9539/files/75938969196.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0668/1497/files/quality_control_interview_questions_and_answers_in_pharma.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4143/9400/files/dafejagitilomepu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1555/2672/files/zedubipo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6761/3087/files/29064623740.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/3834/9211/files/restaurant_training_manual.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005a96.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5A96 | 5768 bytes |
SHA-256: 39567c6fdf6d091aab8c52190a013fb0321a5cc2aa57e21850b892bc2e2a4be2 |
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font_01_sfnt_off00006e3d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E3D | 10012 bytes |
SHA-256: 880dae9b44a5d9193136eeba096ca3c4b9504051380edf06890fba3018964c9c |
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