MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was identified as malicious by a machine learning classifier and ClamAV, indicating a high likelihood of malicious intent. The file contains a large number of external links, many hosted on disposable domains, characteristic of a link farm or SEO spam campaign. One of the primary external URIs, 'https://zajinet.ru/strik?utm_term=safety+hd+images+free+download+nature', suggests a lure related to image downloads, potentially leading to further malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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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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://zajinet.ru/strik?utm_term=safety+hd+images+free+download+nature PDF link annotation
- http://fibiver.mygamesonline.org/will_there_be_a_season_4_of_under_the_dome.pdfIn PDF document text
- http://juwupexutaval.mywebcommunity.org/how_to_get_a_private_investigator_license_in_california.pdfIn PDF document text
- http://fanuvazav.scienceontheweb.net/international_finance_graduate_jobs.pdfIn PDF document text
- http://vekisonoloze.sportsontheweb.net/zisijosujomosupuboga.pdfIn PDF document text
- http://xedeporib.medianewsonline.com/is_nitro_cold_brew_coffee_bad_for_you.pdfIn PDF document text
- http://borejukeluteva.mygamesonline.org/what_are_the_lexile_levels_by_grade.pdfIn PDF document text
- http://kijofizovurisos.medianewsonline.com/is_walmart_now_open_24_hours.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://jusopetikikij.onlinewebshop.net/65350016922.pdfIn PDF document text
- https://e8677ced-6330-435e-8237-200fb10408a4.filesusr.com/ugd/a4c1fa_306b20c38c3a4d458c00acbd3b9f98b1.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/e86cbd4e-171a-444b-890b-3bc006be9eb6/69583229017.pdfIn PDF document text
- https://3dd85f33-233b-4b3c-8e53-142bc8307eec.filesusr.com/ugd/8df890_c00c7370e4914b7a84a01886f7e9f1a8.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/8c493dff-5e58-488f-9003-9f4fb66c7cea/70680504130.pdfIn PDF document text
- https://f61a8d15-835b-4c36-a3db-e4ead73ab13f.filesusr.com/ugd/e9f5f3_2545e16a73cb4db682f0644010daf391.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/41016800-39c8-4d24-bcbc-1b9c8798bdc5/winter_wonderland_piano_sheet_music_free.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/dd99a82b-c436-47e1-a3f1-66322384a55a/rovutavozepunupoz.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9b303721-a87e-4318-b697-586c32ab4916/gubisalugepi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ae11f8f8-fb57-43f3-a97a-b7c331b81059/iso_22000_requirements.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5db8268b-8fc0-40ef-8e09-aaa422e0af34/reliacard_michigan_child_support_login.pdfIn PDF document text
- https://61090d85-22e6-4724-b969-52a17785150c.filesusr.com/ugd/952c2e_030b48555d48475dbd3e75ea87e8b97e.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/dozore/tipiporuwimasudorozejagi.pdfIn PDF document text
- https://f06ae689-34e6-4fd9-b749-a5985747e370.filesusr.com/ugd/4117a9_d4e021a87c1d4baa8ea81e83638662c3.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/7579cfbe-c328-4e3b-9a9e-20ed560c453c/divina_commedia_canto_1_parafrasi.pdfIn PDF document text
- https://s3.amazonaws.com/nojemi/treasure_island_book_age_level.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_off0000fb04.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB04 | 5616 bytes |
SHA-256: 37e9cbf7de803ccd37a3cbb297475e052f71d40cedd4900d18d7cea1f00e7c8b |
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font_01_sfnt_off00010e09.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E09 | 10548 bytes |
SHA-256: fb7732068fd213ab26993800708cd1d95ace223026d234cdb085bc7fc7758470 |
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