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://crophysi.ru/award?keyword=certified+network+defender+study+guide+pdf+download PDF link annotation
- https://cdn.sqhk.co/jasurisunav/cBijjam/star_trek_timelines_crew_stats_spreadsheet.pdfIn PDF document text
- https://cdn.sqhk.co/laloropaki/eqrk1gh/call_of_battlefield_fps_mod_apk.pdfIn PDF document text
- http://lolebunefa.iblogger.org/canape_recipe.pdfIn PDF document text
- https://cdn.sqhk.co/botonerepap/hWUhhii/medical_assistant_jobs_las_vegas.pdfIn PDF document text
- https://cdn.sqhk.co/wifopuzuxiba/gieZHTd/guided_meditation_for_stress_script.pdfIn PDF document text
- http://xugafigipi.22web.org/zanunupow.pdfIn PDF document text
- https://cdn.sqhk.co/mipijotom/b0GGthh/lol_zed_ll_stylish_runes.pdfIn PDF document text
- http://firstsecu-paypal.com/canon_eos_utility_2_macqxp9u.pdfIn PDF document text
- http://prequester.online/why_did_my_ice_cream_maker_stop_workingptwck.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://tumaxokalabad.epizy.com/mipabap.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9ec90d84-4270-4836-a1e5-18b09cdaa7c9/elm327_mini_bluetooth_driver_windows_10.pdfIn PDF document text
- https://58eafb2e-ea74-4523-a1b2-d2e0fe9bfe54.filesusr.com/ugd/466fa0_62a63f80c4ac46c9b249a73c2c5bf3b9.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/d1b7c55a-12a0-4d5c-b249-1ac4168c1ee9/how_to_connect_jabra_halo_smart_bluetooth_headset.pdfIn PDF document text
- https://s3.amazonaws.com/xedewofuretujo/lazarillo_de_tormes_adaptacion_vicens_vives.pdfIn PDF document text
- https://788ae96d-7a4f-4726-91a9-07bb742fb3e7.filesusr.com/ugd/97aff7_491aa8a506e54ec281c743cd8958da1b.pdf?index=trueIn PDF document text
- https://6a24fdd2-d4a5-4c4b-882b-0f3115751bcf.filesusr.com/ugd/04e6f9_68f6aeb3d5694ad980e1e047e7e92f86.pdf?index=trueIn PDF document text
- https://ce322291-b3da-4cc2-ae0f-523e25daec44.filesusr.com/ugd/4530da_e407d30b7fe644a6a5109c2805da6282.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/jeworurowam/how_to_make_video_file_smaller_mac.pdfIn PDF document text
- https://da99f664-88c7-4a27-98aa-0bbcec2e8f57.filesusr.com/ugd/66f3f9_953cd6deb8cf4e2a9abc0bfe20309b21.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/4605dc36-ce25-4614-962b-f393eaf825f4/can_google_voice_numbers_be_traced.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_off00011975.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11975 | 5372 bytes |
SHA-256: 8157bc70f304feb12a788de1a091bdc5a34805116d91129ba59bd5fbab1b60fb |
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font_01_sfnt_off00012be9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12BE9 | 12136 bytes |
SHA-256: 6af7fa45ae24ea8bdadf170ac98c7eef79c93c2e757a2e7be0034fe9fece1d77 |
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