MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains numerous links, including one to a known malicious redirector, suggesting a phishing or malware distribution attempt. The document body and embedded links mimic an exam result to entice users to click through to potentially malicious content. The presence of a link farm and a redirector indicates a coordinated effort to drive traffic to external resources.
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/wb?keyword=ignou%20b.ed%20entrance%20exam%202019%20pdf In PDF document text
- http://files.tillylunken.com/uploads/1/3/2/7/132710690/lugatapowubofogamud.pdfIn PDF document text
- http://files.mendedwingtheatre.com/uploads/1/3/0/7/130739398/vanare-gekirux-watubavol.pdfIn PDF document text
- http://libut.caraday.me/uploads/1/3/1/4/131438405/nepijajezisazibusok.pdfIn PDF document text
- http://nuxotote.stephenlemons76.com/uploads/1/3/0/9/130969744/8231981.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/1/0432/9809/5272/files/15759406237.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3896/4903/files/13726633610.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0352/6820/files/fevabijubugusugatudagulax.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3429/5966/files/bibomikibawema.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1174/2628/files/wutor.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4389/5958/files/81415588423.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0448/2924/5600/files/miwinomasifirijaremexis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2765/0970/files/25603246242.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4423/9510/files/73423949406.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6263/2360/files/1555196304.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7620/6240/files/lufesidimerixobakaxeg.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8456/2086/files/gidivezimopebixoxejogami.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/0565/4678/files/both_and_either_or_neither_nor_worksheet.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_off000072e6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72E6 | 5924 bytes |
SHA-256: 251fd486092f76b11241c2d7705bd95a35e59f4b24db2d5e9fe1ecc3155230cd |
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font_01_sfnt_off00008709.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8709 | 10272 bytes |
SHA-256: 22394e03313e315e75b0f5fc494b1ed47381b1758d86a3935998f63736fb3da6 |
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