MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many pointing to external PDF files, indicating a link farm or SEO poisoning attempt. One of the primary links, 'https://ttraff.cc/pify?keyword=clinical+nutrition+manual+pdf', is flagged as a known malicious redirector. The document body itself is heavily obfuscated and contains this same redirector URL, suggesting the primary purpose is to lure users to malicious content through a chain of redirects and linked documents.
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+nutrition+manual+pdf In PDF document text
- http://files.chickswithdecks.co.uk/uploads/1/3/2/6/132682819/dadedalofojurefof.pdfIn PDF document text
- http://files.beaconofhope-africa.org/uploads/1/3/1/4/131437655/b2a283a928e05d3.pdfIn PDF document text
- http://files.keysofawakening.com/uploads/1/3/0/9/130969761/a797533c80a.pdfIn PDF document text
- http://files.giftsandgraphics.shop/uploads/1/3/0/7/130775866/9254721.pdfIn PDF document text
- http://files.mathandcollege.com/uploads/1/3/2/6/132681443/takemetokujirumuwuva.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/1/0432/0549/2904/files/nesur.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9222/9787/files/fepejekilidivarovetadagef.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8978/8069/files/45608734368.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/85583151980.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1437/4054/files/44334877852.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5430/9284/files/celestron_manuals.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3106/7813/files/15746403072.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3334/6719/files/rujipakijepi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4993/4229/files/fizilokixovi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0679/5686/files/zuluteb.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/6686/0455/files/zukara.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8917/4432/files/80215653638.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_off00004d54.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4D54 | 4912 bytes |
SHA-256: 844d742bfa64c9c3c509970b4049bc8cbed76154a008404a5c2a043de3417db4 |
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font_01_sfnt_off00005de3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5DE3 | 9796 bytes |
SHA-256: 3242f0a258d181d03da7f5c3ea08b6b22218a704aee6d961265a4e414620be8b |
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font_02_sfnt_off00007f42.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F42 | 4324 bytes |
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
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