MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. It uses a LOLBin command-execution lure. 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 0.9978
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMANDExtracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
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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://seumenha.ru/wix?keyword=phim+hay+han+quoc PDF link annotation
- https://cdn-cms.f-static.net/uploads/4449395/normal_604d28f895aec.pdfIn PDF document text
- http://joy-todays.online/gefiz1a3t4.pdfIn PDF document text
- http://feremujidonigu.getenjoyment.net/58806805935.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4470533/normal_5fd6e401c3b13.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4466153/normal_6016e2b6a3d61.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369191/normal_6037bc7520f24.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4367622/normal_5ff4e85246d85.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4370309/normal_60395b010c036.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4416919/normal_5ffb97fbccffd.pdfIn PDF document text
- http://midimox.getenjoyment.net/islamic_books_free_download_in_urdu.pdfIn PDF document text
- http://bbflowers.net/eu_general_data_protection_regulation_right_to_be_forgottenj8qtf.pdfIn PDF document text
- http://womenita.fun/1965_chevy_pickup_wiring_diagramwoq26.pdfIn PDF document text
- http://sinusudixuxuwadIn macro / runtime command snippet
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/9abecc22-bc27-4131-acc4-f9b21591e746/associated_laguerre_polynomials_mathematica.pdfIn PDF document text
- https://s3.amazonaws.com/getizar/lovebug_jonas_brothers_sheet_music.pdfIn PDF document text
- http://vekejuf.atwebpages.com/porobasozoz.pdfIn PDF document text
- https://s3.amazonaws.com/vutame/curl_of_gradient_of_vector_field.pdfIn PDF document text
- http://sinusudixuxuwad.atwebpages.com/49421431018.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e1b7f529-d77c-484e-a642-4fcb2b5e4dc8/jakanaviwekaxiv.pdfIn macro / runtime command snippet
- https://uploads.strikinglycdn.com/files/01fce8a4-2821-4fbc-b202-a094336b9f66/which_book_is_best_for_anatomy.pdfIn PDF document text
- https://s3.amazonaws.com/jofunozuzof/telugu_movie_tamilrockers_2019.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0e413f31-a778-49f7-819a-a754df949fa1/how_to_train_your_dragon_2_full_movie_in_tamil_download.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d9edbbd7-3ea8-4444-a327-2ef02d83d80d/wikigatufudamixal.pdfIn PDF document text
- https://s3.amazonaws.com/lebaxa/pupefevurokedibukegaku.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00015c6c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15C6C | 4964 bytes |
SHA-256: 66d7c96eb444b155bbd8364a9c61e2a57ea2f3a70d7803a33d774d3f06a94fda |
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font_01_sfnt_off00016d39.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16D39 | 23632 bytes |
SHA-256: ab39104ff5fcaa9d2ca6b4d6397ed22e4fdc0dfa287fa6d4f42d6060acc33cef |
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font_02_sfnt_off0001a07f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1A07F | 16060 bytes |
SHA-256: 503f5200e83b189a546b6c6e1d808633a9135186956fe76ff9bd78de3d91e3c6 |
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