MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, many of which point to a redirector service that is flagged as malicious. The document body and embedded links suggest a lure for exam papers, likely a phishing or scam attempt. The ML classifier also strongly indicated maliciousness.
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=bhu+msc+agriculture+entrance+exam+question+paper+pdf In PDF document text
- http://files.bullengarookadultriders.com/uploads/1/3/1/6/131606408/tevuvibajuker.pdfIn PDF document text
- http://zesanaje.secondcitystationery.com/uploads/1/3/1/4/131407558/230ba2543e.pdfIn PDF document text
- http://vilugije.stmatthewsvoorheesville.net/uploads/1/3/1/4/131453645/3999960.pdfIn PDF document text
- http://files.alphatrucksolutions.com/uploads/1/3/1/8/131856907/burowigapaferedum.pdfIn PDF document text
- http://files.daisyhillacademy.us/uploads/1/3/0/8/130874658/noxofejivab-duvuraginaluv-detupojenoto.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fedorahosted.org/lohitIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0543/6326/files/womazoxu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2917/6232/files/lomikofijatogilodebulij.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0705/7825/files/1984_penguin_books.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2613/6743/files/data_structures_and_algorithms_in_python_2020.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0448/1951/3506/files/the_broken_wings_khalil_gibran.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4041/5644/files/wusabep.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5847/0813/files/almas_gemelas_deepak_chopra.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8106/4853/files/descargar_libro_los_anunnaki.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1923/8562/files/1099-_hc_vs_1095-_b.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6158/3776/files/amidah_prayer_in_english.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/4687/1974/files/15164090121.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006e97.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E97 | 5812 bytes |
SHA-256: d03ab5f1ef9b8f864db38953d78f117c255fe1d455be0935bbe56863e6a83442 |
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font_01_sfnt_off00008231.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8231 | 2320 bytes |
SHA-256: 7bb91423d63eb6bd7c2657278979848d60b7d38679106ec23dbd755ba6ab3d32 |
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font_02_sfnt_off00008c81.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8C81 | 10128 bytes |
SHA-256: 63ca5a9626420e3117869493ecf56ed5a3e2f8020e3ade380f5a328822880a2e |
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font_03_sfnt_off0000af1c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAF1C | 16224 bytes |
SHA-256: 5f3bf50395e8d1b65f29ab90a426c3665da69f8437ae50e88eef237d5e22552a |
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font_04_sfnt_off0000c4a3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC4A3 | 3976 bytes |
SHA-256: 6c49b360a1dc8ee4ce18d8e17ac7bf80f304a80c62d0841f2d7207edff842adb |
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