MALICIOUS
192
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document contains a large number of embedded links, many of which point to disposable domains and redirector services, indicating a link farm designed for SEO manipulation or malicious redirection. The ML classifier strongly flagged this PDF as malicious, and the presence of a download button lure further supports a malicious intent. The primary URL, https://ttraff.ru/wb?keyword=opel%20astra%20user%20manual%201997, suggests a lure related to a car manual to entice clicks.
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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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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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/wb?keyword=opel%20astra%20user%20manual%201997 In PDF document text
- http://files.rasrimarketing.com/uploads/1/3/0/7/130775116/6b8af09500710.pdfIn PDF document text
- http://files.littleladyo.com/uploads/1/3/0/9/130969004/furopigolijur.pdfIn PDF document text
- http://files.centrepointecincinnati.com/uploads/1/3/1/4/131406413/e08b8.pdfIn PDF document text
- http://files.alanbirtwistle.com/uploads/1/3/1/3/131383664/werox_xapedewero_bemidituziv_zurer.pdfIn PDF document text
- http://files.kenshukai.net/uploads/1/3/2/6/132681343/totit.pdfIn PDF document text
- http://files.orlandohomeinspectionservices.com/uploads/1/3/1/3/131379085/b0c9680383c.pdfIn PDF document text
- http://files.aliceannephotography.com/uploads/1/3/1/3/131379447/xisejexopore.pdfIn PDF document text
- http://files.woodlandsfrenchies.com/uploads/1/3/1/3/131383553/buvomagedax_dopiriveluk.pdfIn PDF document text
- http://files.weirdartmuseum.com/uploads/1/3/1/4/131407823/980706.pdfIn PDF document text
- http://files.cobblandmarks.com/uploads/1/3/0/8/130813768/turibupadase_kirofivoguw.pdfIn PDF document text
- http://files.tiffinindia.ca/uploads/1/3/1/3/131398066/xubunujake-kosonowuzela-fazapafawefa-dadow.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://xetawebogov.files.wordpress.com/2020/07/46889961560.pdfIn PDF document text
- https://zojatuwo.files.wordpress.com/2020/07/61540909253.pdfIn PDF document text
- https://gunogosow.files.wordpress.com/2020/07/punufapopupebinup.pdfIn PDF document text
- https://jaxabojewik.files.wordpress.com/2020/07/19485943681.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/mozinetesabelenigifil.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xifadek.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/43561311815.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/fakuwonilojovaxibudebu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/sasukeseduvemuledup.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/90675932679.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_off0000697d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x697D | 5004 bytes |
SHA-256: aa0658079398c7682c04af3301d5c8a9f3842856039ae97dd61bbf5609d8c381 |
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font_01_sfnt_off00007a6f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A6F | 10488 bytes |
SHA-256: 06e0b86ca47c64d63b7905e40af4f674e8d0c9e3fdfedf73a575af50bb5167f4 |
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