MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link farm designed to appear as legitimate PDF downloads, but the primary link redirects to malicious infrastructure at 'ttraff.ru'. This indicates a phishing or malware distribution attempt. The ML classifier strongly supports the malicious verdict.
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.ru/pify?keyword=old+man+and+the+sea+pdf+download In PDF document text
- http://tapamom.readysetnonstopnature.org/uploads/1/3/1/4/131437812/1017191.pdfIn PDF document text
- http://baxesa.seattosleep.co.uk/uploads/1/3/1/4/131453247/bizolage-pakufu-zesasuleru.pdfIn PDF document text
- http://davukuka.caffeinatedlearning.com/uploads/1/3/1/4/131411896/9573597.pdfIn PDF document text
- http://files.bordersnaturalburials.co.uk/uploads/1/3/1/8/131872104/godafazofof.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/1/0431/7167/6314/files/numawolulirejiwuvor.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5921/6533/files/bolatateduwepube.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5383/2609/files/practice_it_answers_bjp4_self-_check.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4815/7859/files/86698850932.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/5543/0302/files/8422568179.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6028/2023/files/best_epub_reader_windows_10.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2344/0799/files/gowefuwer.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3550/0439/files/arteritis_de_takayasu_pediatria.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7008/7587/files/56352213288.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2154/1277/files/rexopero.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2936/4889/files/xoxetumazizijizugot.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6856/3355/files/rapebovututazabisinozod.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/5427/7532/files/belipador.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_off0000623f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x623F | 5304 bytes |
SHA-256: 638e24796709fb13ccd963a9d8efa96f044869cb325a38550e78d339298dca9c |
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font_01_sfnt_off00007430.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7430 | 10188 bytes |
SHA-256: bf75ef2b0cdcedc25da78f18aba8bd58fd647f7620964b964400a9c7e85de5b9 |
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font_02_sfnt_off00009715.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9715 | 16092 bytes |
SHA-256: c9557d91917e40dbb2ce09b7ef560a04a9a832ffe2ebcac6b50408a58351272e |
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