MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
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. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 5
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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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External URI info PDF_URIPDF contains an external URL action
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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://chcial.ru/pbw?utm_term=attaullah+khan+number PDF link annotation
- https://tebafazar.weebly.com/uploads/1/3/4/2/134265880/ragujozosewukonobat.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4366048/normal_5fcbc2a0df540.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4481515/normal_6022138916b4f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4485318/normal_600a8173b325c.pdfIn PDF document text
- https://gomemetunugup.weebly.com/uploads/1/3/2/7/132712315/1291757.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/0ae76033-d955-4854-ad32-04d383daed05/muxedawigazomaruja.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0ef3262d-a93e-43f5-88a5-7dd019817bdf/23324851216.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/83dba568-b5e9-431f-98b7-d2a44187c80d/forgotten_realms_timeline_5th_edition.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4c129724-d698-4adb-8911-94c5459d6119/babybjorn_baby_carrier_free_reviews.pdfIn PDF document text
- http://gafuxexosaru.pbworks.com/f/41668806256.pdfIn PDF document text
- http://xofitesu.pbworks.com/f/area_and_volume_irregular_shapes_using_integration.pdfIn PDF document text
- http://vadibun.pbworks.com/f/47406610779.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/73d1ceb9-6358-49e9-9210-75648c3bbf8d/how_to_identify_northern_renaissance_art.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/698b1c95-4367-470a-88dd-775188cf6e3b/wenuvufinerumew.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/867353f8-e57e-4bf8-b7d5-7c8ba1f89edb/lowes_canada_community_grants.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/78152dd9-13c4-4e04-9eb7-6c7f7518aa21/89567383607.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bc67b849-d309-4df3-b2df-40f274deae6e/nix_8_inch_digital_picture_frame_review.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5f6b3e73-3d96-4b51-b66a-cb37d26d44f1/86068134097.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_005_off000120c4.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x120C4 | 19864 bytes |
SHA-256: 9bdd652c3d5fbf880b197b499fa2eb37f35397c0ced88e76097962648450f7cc |
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font_00_sfnt_off0000eb74.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB74 | 4940 bytes |
SHA-256: beaf4726cc5b3e25d81fa096cb200cfd7c9dc304e8a3640572a0a6898f96bb00 |
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font_01_sfnt_off0000fc0d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC0D | 10728 bytes |
SHA-256: e53ead125517fa865a37bbf1874ed230c9470d93c80ea1ab1a1c0993f7e5c660 |
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