MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file exhibits characteristics of a link farm, containing numerous external links to other PDF documents, primarily hosted on Shopify. One of these links, 'https://ttraff.ru/pify?keyword=activesheet.+listobjects.+add+dynamic+range', is flagged as a malicious redirector. The presence of a 'download button' lure further suggests a malicious intent, possibly to trick users into downloading further malware or visiting malicious sites. The document body contains garbled text and what appears to be a reconstructed URL, reinforcing the malicious redirector finding.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=activesheet.+listobjects.+add+dynamic+range In PDF document text
- http://files.teaboks.com/uploads/1/3/0/7/130776673/bifaxajukubaxi-wefegojuro-mixoroja.pdfIn PDF document text
- http://files.burghyart.com/uploads/1/3/1/8/131871772/vevelu.pdfIn PDF document text
- http://files.oxfordshirekickboxing.com/uploads/1/3/2/7/132712206/2741632.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/1/0430/6858/8194/files/21803201547.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7062/6723/files/93015018428.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7392/9377/files/zixokoruruza.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/0210/8836/files/zevizejorisosavakefebiri.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4607/5542/files/after_effects_cs6_tutorials_for_beginners.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5942/0063/files/ravenloft_3._5_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3318/2886/files/23832068719.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7496/8997/files/94832506387.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/3301/5958/files/etat_de_rapprochement_bancaire_cours.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/50751207741.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0453/2869/5451/files/cycling_jersey_template_eps.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/0767/9387/files/36520849712.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5851/1510/files/16731598214.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_off0000823b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x823B | 5752 bytes |
SHA-256: 1d482f632d90a2ec97ed16d3d9a114401a73e42eb59d03bfbf9a82aad57c2a74 |
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font_01_sfnt_off0000959d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x959D | 1800 bytes |
SHA-256: a36eee06fef6ce219692c4ec918276ac99413e4fd1e3666e4031624f9289d620 |
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font_02_sfnt_off00009e2a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9E2A | 10548 bytes |
SHA-256: 72dbb407d8ed7be91ed47dee9573d9c4d28c2b23500414b17dde2d0cf8563c62 |
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