MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document was flagged as malicious by an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm and routes users through malicious redirector infrastructure. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
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=%25D8%25AA%25D8%25B9%25D8%25B1%25D9%258A%25D9%2581+%25D8%25A7%25D9%2584%25D8%25A3%25D8%25AF%25D8%25A7%25D8%25A1+%25D8%25A7%25D9%2584%25D8%25A3%25D9%2583%25D8%25A7%25D8%25AF%25D9%258A%25D9%2585%25D9%258A In PDF document text
- https://cdn-cms.f-static.net/uploads/4366040/normal_5f88032d38002.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4392652/normal_5f8eebf6e711f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4372104/normal_5f893891aadbe.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/fe685d9e-4e1d-43bd-ae4c-b528ce2378bd/31363754112.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0494/1882/9991/files/it_gon_rain_family_guy_episode.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7122/5502/files/jigeludiwawolozavafiwovim.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0478/8876/0998/files/husqvarna_riding_mower_repair_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3859/6511/files/lizard_virtual_lab_quiz_answers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8135/1839/files/2372003734.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d2a43b13-8ded-4b5b-9931-9d6a7e951a5a/fewibo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c762c111-4cf8-446d-9a3e-87babea3c159/gipuxadowobifabozevezek.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/dca09aac-251e-45bc-b6ae-eafcb2a4b7c7/jemiralazumoridu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3693bb7b-e2a0-4896-96b1-69e2263e8766/35570394545.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f98184ca-976d-4c73-b369-d9101c317a78/nileze.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a63bdf08-23be-447b-be37-d25f39daded0/labatagujero.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/487fcd1e-3d5e-4d6a-ab14-67e67150e485/jawib.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/81311ded-77a8-4d20-ab64-3dda83105f24/18614167389.pdfIn PDF document text
- https://s3.amazonaws.com/wilugugo/32349715986.pdfIn PDF document text
- https://s3.amazonaws.com/gupuso/37132679229.pdfIn PDF document text
- https://s3.amazonaws.com/figugipopar/cantico_delle_creature_branduardi.pdfIn PDF document text
- https://s3.amazonaws.com/felasorarabipis/8918337763.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_006_off0000fe39.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0xFE39 | 33284 bytes |
SHA-256: 3ae4ac17bc68284de874890ad049f3e5ed0a54f14bc60a067f75a46bba9a176b |
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font_00_sfnt_off0000bc7e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBC7E | 3396 bytes |
SHA-256: 8ad2bb29851bdd7a5ab1ba16dfb395f1eec87213095ff6a7d7030976db4ad16e |
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font_01_sfnt_off0000c788.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC788 | 17604 bytes |
SHA-256: 3875c3fd24c642718a3c7ede92895fb30195526bbac1d61323925fdfeffdac36 |
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font_02_sfnt_off0000e241.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE241 | 8188 bytes |
SHA-256: 18ea2b236cb0e1aca0902fb173a7a3e998134fe9e3ac88774856646f66d2b530 |
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font_04_sfnt_off00013783.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13783 | 4324 bytes |
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
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