MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file contains numerous links designed to appear as free downloads, a common tactic for phishing or malware distribution. The primary link, 'https://ttraff.cc/pify?keyword=clinical+examination+essentials+4th+edition+pdf', is identified as a malicious redirector. The ML classifier strongly indicates maliciousness, and the presence of a link farm further supports a malicious intent to drive traffic to potentially harmful sites.
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=clinical+examination+essentials+4th+edition+pdf In PDF document text
- http://files.thortorgerudcarpentry.com/uploads/1/3/0/7/130738758/pezuzujojitexunetudo.pdfIn PDF document text
- http://benewisak.brmhsjcl.com/uploads/1/3/0/7/130775350/7159512.pdfIn PDF document text
- http://pibijetam.helllomegan.com/uploads/1/3/1/3/131384244/tinuv_bazesevevuwume.pdfIn PDF document text
- http://files.magnolia-gypsy.com/uploads/1/3/2/3/132303009/guzoladix_ruxotovif.pdfIn PDF document text
- http://vobided.wakullagridironclub.com/uploads/1/3/2/3/132302921/ba3778832a9.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/1/0436/2820/0096/files/free_business_powerpoint_templates_with_animation.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2703/7336/files/53089835901.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4556/0219/files/mubutifimixag.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9920/2467/files/99805883562.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6556/3549/files/milogixox.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6783/4517/files/warframe_beam_weapons.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7395/2158/files/tokio_myers_bloodstream_piano_sheet_music.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/7260/0726/files/duxizidejurezajobuxigu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7078/3645/files/51047342040.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9454/0452/files/19540884969.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3437/7372/files/pitman_probability_solution_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1442/2687/files/66454698732.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0074/1531/files/20803920092.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_off000064ec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x64EC | 5360 bytes |
SHA-256: 0c0c821952b9825ad327035aad9122842523c30bad5fd9e5f1d3f428f4ccad0e |
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font_01_sfnt_off00007707.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7707 | 10876 bytes |
SHA-256: 0a168debd7eaf35466516470975238b30ca2abb799cf872cd12ff4101842097b |
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