MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous links to external PDF documents, disguised as a "Genetics mcqs book pdf". The primary redirector URL, ttraff.com, is flagged as malicious. This suggests a tactic to manipulate search engine results or to distribute further malicious content. No scripts were extracted, but the presence of embedded URLs and the malicious redirector strongly indicate a phishing or content distribution scheme.
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.com/wb?keyword=genetics%20mcqs%20book%20pdf In PDF document text
- http://files.mrsfeild.com/uploads/1/3/0/8/130874413/zamudedatum_tesorujutow.pdfIn PDF document text
- http://files.davidgarza.com/uploads/1/3/0/7/130776374/b939f2d.pdfIn PDF document text
- http://files.oneidcolumbus.org/uploads/1/3/1/8/131856827/9d0e80c727b33.pdfIn PDF document text
- http://files.jbmarbleandgranite.com/uploads/1/3/0/7/130738822/gifagoziridufi.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://webasaru.files.wordpress.com/2020/07/48239947380.pdfIn PDF document text
- https://konuvemove.files.wordpress.com/2020/06/kuwixumoguzi.pdfIn PDF document text
- https://felorige.files.wordpress.com/2020/06/88225926605.pdfIn PDF document text
- https://zafuvadel.files.wordpress.com/2020/07/34051599672.pdfIn PDF document text
- https://vuzixapixod.files.wordpress.com/2020/07/58648369046.pdfIn PDF document text
- https://refivoneb.files.wordpress.com/2020/07/50479980815.pdfIn PDF document text
- https://juxisaw.files.wordpress.com/2020/06/sotakuluje.pdfIn PDF document text
- https://lasofibile.files.wordpress.com/2020/06/lijevunidug.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3473/0911/files/surozoju.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/32686583269.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/81579197248.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3900/6632/files/ribolazoguma.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6805/4949/files/89426475249.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/40369191557.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/kesutuzijakakewinepubad.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1634/8057/files/57800195701.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_off00006a8a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6A8A | 5112 bytes |
SHA-256: f54584d9a6cb77a1f159730258bb7dc7330123bbe82acca5e9105c53c62e4aba |
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font_01_sfnt_off00007bda.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7BDA | 10604 bytes |
SHA-256: 1198acf0ac35c5d7a01b3274523b3475310957d08581dd182be5386467c50a36 |
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