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 0.9998
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://jottigo.ru/wix?keyword=forum+of+trajan+basilica+ulpia PDF link annotation
- https://zidifupo.weebly.com/uploads/1/3/4/4/134475425/cd7823.pdfIn PDF document text
- https://liletalezawo.weebly.com/uploads/1/3/4/5/134591830/ef99c7.pdfIn PDF document text
- http://zekajatinaz.iblogger.org/sworn_affidavit_form.pdfIn PDF document text
- https://jonukejunuxesa.weebly.com/uploads/1/3/1/4/131409236/pujamuwirigiwar.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/631f1922-4b79-44d1-b9e2-edeadde7d2e5/craftsman_planer_instructions.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/eb0cef89-551c-400c-b2a0-d1a69b793110/4423821599.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f6d27faa-eafa-4f13-90aa-96addaf588e7/plantronics_voyager_edge_firmware_update.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/aa79d31c-3277-4932-a4e0-1e9797fdaf63/pioneer_vsx_1124.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5fdfef34-d458-466b-8027-c9f9e9324dfd/explanation_of_quran_in_english.pdfIn PDF document text
- http://wujitotulofok.rf.gd/wallpaper_abstract_hd_iphone.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2cee5cd3-d6a4-4ca1-ae7c-9c3f213c2f8f/bakijigujok.pdfIn PDF document text
- http://wafuzujutine.rf.gd/pasteurization_definition.pdfIn PDF document text
- http://gokefiz.epizy.com/multiple_choice_answer_sheet_template.pdfIn PDF document text
- http://getutefuma.rf.gd/59253865015.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b21c3e1b-ffdc-41c6-93a8-9ed63bdc3459/number_flashcards_1-100_free_printable.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7f09cff6-6e66-4ce3-bda7-c521199efad8/88077274272.pdfIn PDF document text
- http://lixejezi.epizy.com/do_roku_sticks_wear_out.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/03f55c7b-2d4c-4400-aa6c-587b732b2bc0/saludujelamusop.pdfIn PDF document text
- http://fibubaxuvuvixik.epizy.com/vavokewenonupoginujeza.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_off0000f690.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF690 | 5332 bytes |
SHA-256: 7bc50b78f83a47add80747dbbdb5c608fa45e89b6b8f3a246b017962fc42ec4a |
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font_01_sfnt_off0001089d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1089D | 10440 bytes |
SHA-256: 404ca21f4b0e4677d6fc172582fbfff972eedb97aff17c154ff8f75c7946f874 |
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font_02_sfnt_off00012c0d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C0D | 16060 bytes |
SHA-256: 4ef9506ee11a349461550e6b437e3786686b598308a87786035880d16624999d |
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