MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, identified as a link farm, with one prominent link pointing to a known malicious redirector. The document body, though heavily obfuscated, appears to be related to 'community medicine mcqs with answers pdf', serving as a lure. The ML classifier strongly indicates maliciousness, and the PDF_MALICIOUS_REDIRECTOR_LINK heuristic confirms the presence of a link to malicious infrastructure.
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=community+medicine+mcqs+with+answers+pdf In PDF document text
- http://files.christinachrysanthopoulou.com/uploads/1/3/1/3/131384470/eb9fb16.pdfIn PDF document text
- http://files.mrrizzi.com/uploads/1/3/1/1/131163761/1969364.pdfIn PDF document text
- http://files.gavrielrosenfeld.com/uploads/1/3/0/7/130776401/78a3b07b285d46.pdfIn PDF document text
- http://files.ktskinandbeauty.co.uk/uploads/1/3/0/7/130776476/ravezoreviviziwovuk.pdfIn PDF document text
- http://files.christinewatkinsart.com/uploads/1/3/1/6/131606540/vujomalalol.pdfIn PDF document text
- http://fontawesome.iohttp://fontawesome.io/license/In 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/1/0433/3089/6026/files/98305121847.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9802/9733/files/sanaw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0500/8293/files/15817528018.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5547/3059/files/dadolenozuwiputoge.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/dilos.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5725/0455/files/22041562559.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4868/9050/files/guputiwekolevosapokam.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6289/4498/files/24531862368.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1588/9305/files/3759917646.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1659/3312/files/24310906536.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4447/0933/files/zegebolajarilebo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5207/2086/files/falovu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6577/0135/files/faretexowetiwavinurusesuz.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_off00006db5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6DB5 | 1664 bytes |
SHA-256: 48acd444d36e1b8e04dd127465e0436e38eb2cd03139839f3aac04b4c3be6e99 |
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font_01_sfnt_off000075ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x75AB | 5588 bytes |
SHA-256: 22ffc80c46f51fe9a3db48937307a0bb42b4db409f4d84d49f1a7f409746039e |
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font_02_sfnt_off00008893.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8893 | 10420 bytes |
SHA-256: c971984bdabac305ebf0d0a9728ac5c1d9350cc7315cffcf13f3a28495210937 |
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