MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, with one specifically pointing to a known malicious redirector. The ML classifier also strongly flagged this PDF as malicious. The document body, though heavily obfuscated, contains the URL 'https://ttraff.ru/pify?keyword=schema+des+amplificateurs+de+puissance+montage+pdf', which is a primary indicator of malicious intent. This suggests the PDF is designed to redirect users to malicious sites, likely for phishing or to download further malware.
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=schema+des+amplificateurs+de+puissance+montage+pdf In PDF document text
- http://files.tibetanbuddhismsatx.com/uploads/1/3/1/6/131606789/navuvadi.pdfIn PDF document text
- http://files.gtecodev.com/uploads/1/3/2/6/132682892/muxizovobujaw-tijidom-merodeku.pdfIn PDF document text
- http://files.bayareamuslimtherapists.org/uploads/1/3/1/4/131438071/maweneduribuxadi.pdfIn PDF document text
- http://files.centenarylittleathletics.com/uploads/1/3/1/8/131871786/c43f1a3f66f.pdfIn PDF document text
- http://files.lukefranco.org/uploads/1/3/1/4/131408928/f1f9717b9b2.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/1/0428/9573/6988/files/zanivapadopiwuv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5409/4753/files/vurodanuser.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5328/4519/files/materials_science_and_engineering_9th_edition.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3636/8283/files/34809389187.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2154/9217/files/coordinate_grid.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5724/9430/files/tixutugosowekene.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6059/9711/files/xurepagivexowoxuxojijix.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/45865267400.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3716/2657/files/advanced_bushcraft_101.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2249/1553/files/povodanunubegij.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8633/2575/files/thoth_emerald_tablets.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5128/6690/files/jamuseloxira.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9603/8812/files/53623533016.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_off00006974.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6974 | 5672 bytes |
SHA-256: 4dc61ac1c4465f67e62026c12dc4d6702498c2486785675a21801aefb68d7edd |
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font_01_sfnt_off00007c95.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7C95 | 11612 bytes |
SHA-256: d291b592a5f2909e4ce2e14575f78c1e2fde7451a4b130e180692467798186c0 |
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