MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a malicious redirector link disguised as a date sheet for Kurukshetra University. The link points to 'ttraff.cc', which is known for redirecting to malicious sites. The document also contains a large number of external PDF links, many hosted on Shopify, likely as part of an SEO spam campaign to improve search engine ranking for malicious content. The presence of a download button lure further supports a malicious intent.
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=kurukshetra+university+date+sheet In PDF document text
- http://files.tomcatsseacadets.org/uploads/1/3/2/6/132682295/vubaluwex.pdfIn PDF document text
- http://files.joel-nichols.com/uploads/1/3/2/7/132712120/1372492.pdfIn PDF document text
- http://files.weirdobooks.com/uploads/1/3/2/6/132682684/zelevakagutumer_kawekebedozogal_xajilodomedigux.pdfIn PDF document text
- http://files.rebelliousrheaboutique.shop/uploads/1/3/1/4/131406413/2090860.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/1/0432/9157/4430/files/64325168600.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3812/9823/files/1109746977.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8344/0030/files/57902995088.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/53262414385.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9422/8630/files/mijexedex.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8889/6415/files/85471134086.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2644/0607/files/28200086565.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5012/2916/files/nabaveteletalabidetadugud.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1021/8391/files/kowuzumenabupaluzu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7052/1495/files/fikanubizamiluxabo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/ziwodukujaluladiludu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7141/5196/files/22007135627.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7610/8956/files/demopuperosanedozil.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8894/5064/files/fanurebotebon.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_off00007a0b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A0B | 4848 bytes |
SHA-256: 31d0a311bdec4a8efccb04d840e9e708517c8ab241a9e518f1d0959e74c83eb5 |
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font_01_sfnt_off00008a7c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8A7C | 10040 bytes |
SHA-256: 7f96a2ea07c5048363174d3b1c03280f5e294aaed4535076b2512b6a52f98bb7 |
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