MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links that redirect to a malicious URL, masquerading as a free download for academic materials. This is a common lure for phishing or malware distribution. The ML classifier strongly indicates maliciousness, and the presence of numerous SEO-optimized PDF links further supports a malicious intent to drive traffic to potentially harmful content.
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=ignou+assignment+front+page+pdf+free+download In PDF document text
- http://files.perhappened.com/uploads/1/3/1/1/131164153/tekidimuvani_bafasajo_tetuvukoweni.pdfIn PDF document text
- http://files.corneliahoogland.com/uploads/1/3/1/4/131452799/9403076.pdfIn PDF document text
- http://files.yuocreations.com/uploads/1/3/1/8/131856331/572bc13a7e.pdfIn PDF document text
- http://files.preecelightning.com/uploads/1/3/0/9/130969190/a2546e4.pdfIn PDF document text
- http://files.itsjust700.com/uploads/1/3/0/7/130775970/fa1000a7.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0427/9461/4940/files/xavamelesifomepegasubik.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2577/6288/files/lowes_springfield_il.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6844/9180/files/wigetewowaginurotit.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6863/7862/files/67874397201.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3928/4645/files/nojeruzoxepotodisez.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1980/4567/files/50342555184.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3137/9618/files/pebedukobekurigitejefu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8890/3325/files/android_game_hacking_tool.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3041/2453/files/79958541560.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8922/2045/files/nefinar.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3093/6732/files/nilujunaronozepefutixup.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8298/1281/files/14305868295.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_off000065e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x65E4 | 5272 bytes |
SHA-256: 3f8725592ae1b7dd01f5e6c8d3ab04646495d10f2850542ef623c788c649a829 |
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font_01_sfnt_off000077cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x77CD | 9900 bytes |
SHA-256: 763bf0abad5a73c376745554a33806f501dcc3fdfda62a56a9f37883971fd76b |
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font_02_sfnt_off000099b0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x99B0 | 4324 bytes |
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
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