MALICIOUS
226
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. It uses a fake browser/software-install 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 0.9990
Heuristics 7
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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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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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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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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://xezojetit.ru/strik?utm_term=how+to+get+dunkin%2527+donuts+coupons+in+the+mail PDF link annotation
- http://alisabor.design/6398100952kjwid.pdfIn PDF document text
- http://zokirip.iblogger.org/street_fighter_4_game_apk.pdfIn PDF document text
- http://stopnutristrike.ru/how_to_record_a_payroll_journal_entry_in_quickbooks4kgdw.pdfIn PDF document text
- http://bioforcecolumbia.site/fegavanojawoipfax.pdfIn PDF document text
- http://wevotimojek.22web.org/mintzberg_theory.pdfIn PDF document text
- http://gakebapenabe.iblogger.org/osha_lock_out_tag_out_guidelines.pdfIn PDF document text
- http://promoocaoameericanas.com/mexuzamopofetuz71fsi.pdfIn PDF document text
- http://usesalle.xyz/kasenazelunujusukr35uj.pdfIn PDF document text
- http://wordsidepost.top/a_realidade_no__o_que_parece_gratisw1oj0.pdfIn PDF document text
- http://fredo.run/bluecoat_proxy_deployment_guidevl2ym.pdfIn PDF document text
- http://swiss-gear-top.xyz/is_there_a_third_six_of_crows_book2bzzy.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/a7e4ca76-ea49-4386-ad8b-8cb35fc79927/how_to_do_acid_base_titration_problems.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1071fb31-38b1-4c46-b9b6-a5a8dfab43ae/como_tirar_tinta_de_impressora_da_pele.pdfIn PDF document text
- http://polutojufet.epizy.com/zativoloxifareje.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/13438ef3-111b-46aa-ac84-83b0b9e400ec/zelda_links_awakening_switch_boomerang.pdfIn PDF document text
- https://86a6be6f-1c3f-48a2-98e5-8a654ddc1212.filesusr.com/ugd/027f51_b22bd0f9ceef489ca6bfbb457862faca.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/9cc9d56a-38a3-414c-944f-f09ca890ec7a/ralop.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d8fd939b-f1a3-407d-bfce-4af17667cc4d/cub_cadet_lt1046_drive_belt_replacement.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/864cba49-d0db-48a1-8344-49f79895243f/28305314486.pdfIn PDF document text
- http://lobivovakebala.epizy.com/world_war_z_2_cast_and_crew.pdfIn PDF document text
- https://878ee1be-828d-48b9-a24a-84283cf66a1c.filesusr.com/ugd/86936c_244c09d00f074d93ab3e5168c887bde1.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/3b72514c-5bf2-4fc1-a92f-0d46b49dcb7a/how_to_use_a_schumacher_se-82-6_battery_charger.pdfIn PDF document text
- https://62bfe9e3-d01a-456c-9d14-3ac71290fd99.filesusr.com/ugd/cfe640_00ef7fc13e90412882b75c98963aaad5.pdf?index=trueIn PDF document text
- https://920f4c01-5fd6-4c40-8b27-b99972fecb60.filesusr.com/ugd/d63aaf_9b32c5c4b70241e6b128226c52cd8252.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/e4b276f4-aee6-4e9a-bd63-696925fcf0da/how_to_crochet_a_simple_premature_baby_hat.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_off0000fa50.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA50 | 5544 bytes |
SHA-256: 42f4f22cc4f3c1e715670f416f087038b4ee1d2baf3e89a964c3c3fdb74ac064 |
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font_01_sfnt_off00010d24.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D24 | 11640 bytes |
SHA-256: a0fa9b99c2eb3f4eaebf9c68c3e1088e2281f4b93aea7359773cdfce9215a7f0 |
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