MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links to redirector infrastructure, specifically `https://ttraff.cc/pify?keyword=brain+tumor+detection+using+image+segmentation+pdf`, which is flagged as malicious. The document body also contains this URL and other links to PDF files hosted on Shopify, suggesting an attempt to create a link farm or distribute further malicious content. The ML classifier strongly indicates 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=brain+tumor+detection+using+image+segmentation+pdf In PDF document text
- http://files.ulsupride.ca/uploads/1/3/1/6/131606819/nadogegigurude.pdfIn PDF document text
- http://xalewus.sheltonathleticclub.com/uploads/1/3/0/8/130813747/mopotidonug_zotowivav.pdfIn PDF document text
- http://files.visualsbyjacqui.com/uploads/1/3/0/7/130738562/mugerokinasi.pdfIn PDF document text
- http://files.thecookingkettle.com/uploads/1/3/1/4/131454035/kugijijuwi-donolusipipa-pogug.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/1/0428/9835/8432/files/rumifagekesodurelakalon.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2356/3925/files/bawediregow.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9718/5701/files/purolator_cross_reference.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/9143/1325/files/99_names_of_allah_and_their_meanings_in_english.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1281/6034/files/nigobaban.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9469/4304/files/seismic_survey_for_oil_and_gas_exploration.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0201/1548/files/gefiti.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5007/4269/files/photoshop_2019_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0449/5890/8584/files/pengaruh_letak_geografis_indonesia.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0582/9532/files/38309171450.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0820/4701/files/guwetelefunufupekuwefaxuz.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c04b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC04B | 5492 bytes |
SHA-256: 3d61d2a09e0c9e1d1acb63a2c944555d51a61b2b253a7cb507f40dc68b34cc8f |
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font_01_sfnt_off0000d2e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD2E4 | 12812 bytes |
SHA-256: 3ec7b997be45399757afd4cfedcbe56b80d3d49136ab8f564c28c9f710bb4dd1 |
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font_02_sfnt_off0000fc00.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC00 | 16036 bytes |
SHA-256: 9559dd1bd908241551916101fda3d445a26f5c4b506a1423f23393456f9d5940 |
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