MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF document that contains numerous embedded links, many of which point to a link farm. One critical heuristic identified a link to known malicious redirector infrastructure, specifically 'ttraff.club'. The document body, though heavily obfuscated, contains text related to 'solutions pre-intermediate 2nd edition tests pdf', suggesting a lure to disguise the malicious intent. The ML classifier strongly flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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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.club/pify?keyword=solutions+pre-intermediate+2nd+edition+tests+pdf In PDF document text
- https://cdn-cms.f-static.net/uploads/4369766/normal_5f89b4d4c7d5e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366045/normal_5f870630cacf1.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4365608/normal_5f87245fa28ec.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4381098/normal_5f8bc1e6efa62.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4387230/normal_5f8e0a86aa925.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/a87721e1-4b5e-4635-b34f-3c1cf56b52b9/38714820432.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0af129f6-fe9c-47f2-b28e-f054f8b4faa5/34446741298.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/24ca57a6-692f-48ba-ba6a-ec63dfe97abb/zatirofozoledapipugedifu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b1314519-b12c-4289-abde-56195be55307/ragizavomi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7e8485d1-ae25-4b53-bf1d-8c9d59e1f17d/zofujetezede.pdfIn PDF document text
- https://s3.amazonaws.com/felasorarabipis/75925263742.pdfIn PDF document text
- https://s3.amazonaws.com/wilugugo/95658403375.pdfIn PDF document text
- https://s3.amazonaws.com/jamokaroxoj/putapuwagulotafimexij.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/40453955-27e1-48ab-b0ba-300a11dfa664/sedebulemigilidepoxixa.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/85993869-2e82-40ca-908c-eed7ee258db9/posajefefegedusav.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/884e93a5-ce36-4e3b-8ca5-6e744e603788/61241612067.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b0793ade-afcf-4d54-ad40-4f2c181ef95f/one_headphone_is_quiet.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/abe9ac5c-20ce-4788-947d-7cd35689808f/73883973248.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fc86a5c1-0949-4a5c-a77a-be5e3eb61f18/jafojaw.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3f9fc37e-a654-4e71-9454-8e72c789080d/43844701199.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/63be7660-bce9-470e-87a9-20e7dd023319/bezajivifomaximuf.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/04fec28e-b221-400b-ae07-d7d0ddb9e180/stardew_valley_harvest_moon.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6375/4404/files/historia_de_la_tabla_periodica.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/9883/9970/files/product_promotion_letter_sample.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0502/3563/7922/files/hit_me_up_chat_apk.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_off00005cf1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5CF1 | 5456 bytes |
SHA-256: 11d1659664fcdee1c14f1e13bd4749ad64a656fa6104c0ce52e48e6e61db2386 |
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font_01_sfnt_off00006f65.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F65 | 10764 bytes |
SHA-256: d48a8cd77f8ad280b5f77c7f4cf01ec16483f8bd3f3279d0486f0cafd1926207 |
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