MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links designed to appear as exam paper downloads, but they redirect to malicious infrastructure. The primary redirector URL is `https://ttraff.cc/pify?keyword=ctet+july+question+paper+2020+pdf`, which is flagged as malicious. This indicates a phishing or scam attempt leveraging a fake download lure. No scripts were extracted, but the PDF structure itself facilitates the malicious redirection.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=ctet+july+question+paper+2020+pdf In PDF document text
- http://files.waiheelimu.org/uploads/1/3/1/6/131607174/nomuvawezilamaranu.pdfIn PDF document text
- http://files.forestparkestateshoa.org/uploads/1/3/1/4/131437222/muzikubawosuvuzizi.pdfIn PDF document text
- http://meluw.covrha.com/uploads/1/3/1/4/131438464/sugugo.pdfIn PDF document text
- http://files.saintsandscholars.org/uploads/1/3/1/0/131070291/xisibibi.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/1/0441/4016/7320/files/26324614998.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8158/1223/files/57313948903.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3552/5282/files/lunafaverorabux.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8981/1861/files/nupasiserodaxegibu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0609/9605/files/34375057716.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2468/5976/files/warowoboderelitufogupo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2286/0966/files/mokedologexigudogudaguw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2807/7992/files/radasibemi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9617/8845/files/1234052951.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/3067/3565/files/sabezabivuminis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5995/3312/files/ledoxif.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0080/7070/files/wulug.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6059/1776/files/23156060337.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_off00006209.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6209 | 5516 bytes |
SHA-256: af98770ae28a4d45e7a63d7c76e78ecd32726f4a0263ed02ec926a5e9e60bde4 |
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font_01_sfnt_off000074e1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x74E1 | 10120 bytes |
SHA-256: 3e7ae5389aeb1e43b94dafd1da0b428288b1ebdd42ebf01df54d60c08b172270 |
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