MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of external links, many hosted on disposable domains, indicating a link farm or SEO manipulation tactic. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing or distributing further malware. The presence of a 'download button' heuristic further supports a lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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/strik?utm_term=how+much+does+moca+training+cost PDF link annotation
- http://nubolutlion.xyz/stress_fracture_second_metatarsal_right_foot_icd_105tozk.pdfIn PDF document text
- http://nugowimabu.mywebcommunity.org/mcdonalds_coupons_mrz_2020.pdfIn PDF document text
- http://jidokove.scienceontheweb.net/calidad_de_vida_y_trabajo_social.pdfIn PDF document text
- http://sejapamuji.22web.org/petro_canada_diesel_fuel_safety_data_sheet.pdfIn PDF document text
- http://velixone.66ghz.com/similuzavuzuto.pdfIn PDF document text
- http://businesslinecenter.com/wovetomoxikatovetirinedt8djk.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fokunibilolegek.rf.gd/xigefimoxitasoxedumamos.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/69d7fbcc-f7f1-44bd-b000-a7e5d12de6e9/82811718008.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/91fcdec5-139f-4eda-8739-77cdb9453c5e/how_to_reset_braun_thermoscan_irt_6500.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/36389843-51b5-4c3d-88e1-7e5f1d4b98d3/5_definitions_of_educational_psychology.pdfIn PDF document text
- http://jevigoxiferoka.epizy.com/marshall_cavendish_maths_teachers_guide.pdfIn PDF document text
- http://firiveperoju.epizy.com/61055067404.pdfIn PDF document text
- https://c809e8a6-5bdf-489d-8d8c-df4e4638a115.filesusr.com/ugd/45a296_830203501a5d4289aa4f8cb55d5b057a.pdf?index=trueIn PDF document text
- https://238a82c5-85a8-4641-a991-2f0f5270ddc4.filesusr.com/ugd/63f22d_060b8f21aa6a4b5a9f4d847a120287c2.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/8d0e0b70-93db-4576-b089-aab9632dcc72/how_much_is_the_salary_of_a_medical_laboratory_scientist_in_nigeria.pdfIn PDF document text
- https://633ee4a5-ef7f-4c35-8c02-ac6c60bc6361.filesusr.com/ugd/0ab374_a4ec4aa99e7d4ecf87c7ef391b6d026a.pdf?index=trueIn PDF document text
- https://8eeb1f0a-0cdd-4c66-98a4-83777b49fb54.filesusr.com/ugd/64f9d2_cfb46f5a507949fdb8f768264e718d2c.pdf?index=trueIn PDF document text
- https://73e25548-3913-4bbb-aa69-a1b25f69568d.filesusr.com/ugd/cece23_651f9c3808604e77a4f0910e2eec3224.pdf?index=trueIn PDF document text
- https://ef4b221f-cfb4-47e8-bf1d-3b5092770df7.filesusr.com/ugd/4948da_f1dbf4af8ebe422394fce181b9de4154.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/b76cf8e8-931b-4364-991a-0983d5bc26d1/my_fathers_dragon_activities.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_off0000f20e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF20E | 5372 bytes |
SHA-256: 7bbc9413fb7265bcebe7dfa4d31b962d7f3dd9f68a57788c516ba4d99a7a1a27 |
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font_01_sfnt_off00010434.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10434 | 11060 bytes |
SHA-256: e5dcd185f8c96457f05bc2f249666cfc7637ef633f2c5771902893e7bf7149ab |
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font_02_sfnt_off0001297f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1297F | 16204 bytes |
SHA-256: c988415812f594187b0a0ed75dc52802e798e1695b49bd300f8412a65040a449 |
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