MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a mass of external links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.ru/pify?keyword=hellhounds+osrs+guide', suggesting a lure for users interested in the game 'Old School RuneScape'. The presence of numerous PDF links, many hosted on shopify.com, indicates a link farm designed to distribute malicious content or conduct phishing. No scripts were extracted from this sample.
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=hellhounds+osrs+guide In PDF document text
- http://files.carrie-mason.com/uploads/1/3/2/6/132681352/timinaxigizawekelulo.pdfIn PDF document text
- http://files.vedajess.com/uploads/1/3/0/7/130776142/fexaziletexadir_xavoz.pdfIn PDF document text
- http://files.mindthestep.nl/uploads/1/3/1/3/131378838/5c3cdb167e.pdfIn PDF document text
- http://files.libertyshelties.com/uploads/1/3/2/8/132816202/58eefa.pdfIn PDF document text
- http://files.huntsvilleschoolofkarate.com/uploads/1/3/1/3/131382797/vexamozenavitam_fuduka_lifileni_fijidifevuvev.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/1/0437/2093/3528/files/wegipojifugezidupubo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/3031/3122/files/xovogexa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7741/8656/files/5855376925.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0444/5346/2183/files/credit_risk_analysis_report.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/4255/9384/files/bakap.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2830/6330/files/getixejufejilogivefimo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0736/1703/files/12th_centum_scored_answer_papers_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/walezilufotalenuzodumis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7194/6396/files/48110278143.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2483/4982/files/bushings_used_with_electrical_transformers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2915/2423/files/dependent_and_independent_variables_in_statistics.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1635/4978/files/xalarukokimud.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_off00006b09.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B09 | 4840 bytes |
SHA-256: c9822c5177a45c58c552799d367da28eb907ed6ddec454b3e4ec7b30da2be32a |
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font_01_sfnt_off00007b6a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B6A | 10120 bytes |
SHA-256: 2a9777f519e44905dabdad436f402cd61136fd542f0ad1c3983a8c667e7df442 |
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