MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many of which point to a link farm designed to improve search engine rankings. One of these links, https://cctraff.ru/strik?keyword=mobile+cellular+telecommunications+by+w.c.y.lee+pdf+free+download, is identified as a malicious redirector. The document body, though partially garbled, contains text related to mobile telecommunications and download, suggesting a lure to trick users into clicking the malicious link.
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://cctraff.ru/strik?keyword=mobile+cellular+telecommunications+by+w.c.y.lee+pdf+free+download In PDF document text
- http://files.antiochunitedmethodistchurch.com/uploads/1/3/1/3/131380720/bedibuzododesuxejuz.pdfIn PDF document text
- http://files.romanodacosta.com/uploads/1/3/0/7/130738777/wofiwo_xebedoz.pdfIn PDF document text
- http://files.cpcsouthpas.org/uploads/1/3/1/3/131383588/vunotanutaj.pdfIn PDF document text
- http://files.sweet-heart-ranch.com/uploads/1/3/2/8/132814276/2405449.pdfIn PDF document text
- http://files.ah-life.net/uploads/1/3/1/6/131606047/pujakovulatade.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://uploads.strikinglycdn.com/files/d7415d94-c367-45e7-8b74-49f0a301fa44/simimizeloz.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a347125f-79ef-499b-8836-9b80c064f30c/remuza.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7d73f02d-c966-4cff-a889-14743d45e686/32832476636.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d0f7b7e4-1d95-4e8b-a0c0-724a022d1d4f/xumugojegidukadukukir.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6ffc8d29-6ee3-4f91-bfd9-6a07b5752ed0/92198842061.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8bc61d3d-03a0-469c-9e5e-5c5026183e4a/wenaxorawisufoxedosumoba.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d17881fb-6f9f-4ab0-828c-1d7e62dd2d4b/piwevumorifax.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fd0acf18-31a8-4298-a6c6-b0079b8aa78b/ruxowusijotitalubowitiko.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ce19a5ca-b6cd-4c31-a4f5-388a65301495/lemitu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/09bbe7a5-0d55-41a9-86c8-0e60be61d417/22697077475.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9304/1059/files/allison_transmission_trouble_codes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/2236/6366/files/xifufubekajijam.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7791/7079/files/nuriwus.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5982/9149/files/what_does_mc_stand_for_in_text.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5800/3096/files/11757665958.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000761a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x761A | 5556 bytes |
SHA-256: 54dcaf188556c7e0fb2bc26b322fea58f559f0673db437606b577aa6658860d1 |
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font_01_sfnt_off000088f0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x88F0 | 2116 bytes |
SHA-256: 89454d8ece1be00d2333aac76955f46ed17c4d141322e635bf27f42efb43e54e |
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font_02_sfnt_off000092bc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x92BC | 16064 bytes |
SHA-256: d2d0f275f8bfa07983086f8749371cfc81fc713fabb94adb9f7f17a9e13c254b |
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font_03_sfnt_off0000c45b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC45B | 4324 bytes |
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
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