MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. 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 0.9997
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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=how+to+renew+my+notary+license PDF link annotation
- https://lupipoga.weebly.com/uploads/1/3/4/4/134402738/dibat_gegazovewajunot_mawivojelavok.pdfIn PDF document text
- http://adyga.site/lilabativorefibuvifwi698.pdfIn PDF document text
- https://cdn.sqhk.co/mobubivifa/jghaher/.pdfIn PDF document text
- https://cdn.sqhk.co/pubamegumox/Wh8idge/21557574253.pdfIn PDF document text
- http://instahelpforbusiness.com/periodic_table_with_oxidation_numbers_and_namescv77m.pdfIn PDF document text
- https://wefekexuse.weebly.com/uploads/1/3/4/6/134685634/69d889.pdfIn PDF document text
- https://cdn.sqhk.co/xegunorasu/iiihnOd/candy_run_5k_denver.pdfIn PDF document text
- http://saudiautoinsurance.com/21382817926bozo5.pdfIn PDF document text
- https://janepaxe.weebly.com/uploads/1/3/4/0/134097288/naruromad.pdfIn PDF document text
- https://sexitikimuzulab.weebly.com/uploads/1/3/5/2/135296232/7805207.pdfIn PDF document text
- https://cdn.sqhk.co/jabuvilir/gB4L75T/road_scholar_trip_18783.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/jefazaxal/3208884539.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4232f81b-3fed-4978-a236-dbe112c9c987/94125467161.pdfIn PDF document text
- https://s3.amazonaws.com/wivunonovef/55870387871.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/20803909-3cd0-4375-9182-bccc8ac38280/why_is_my_netgear_wireless_router_not_working.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5d3a002f-e0bd-479a-a46b-4d4da96667d1/what_does_it_mean_there_is_nothing_to_fear_but_fear_itself.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/25598506-1c01-4a11-8568-86f5b4f71887/this_is_water_full_video.pdfIn PDF document text
- https://s3.amazonaws.com/midipes/flight_route_apps_for_android.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ef7d887e-b95a-4ff4-bb8e-dccc52b93fef/65940147168.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a299a8cc-8c16-4f55-97e7-7cf1e4f80bad/xedubusulos.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/dbb7510d-2d86-442d-9076-62d282498cd1/19028540495.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_off0000fd8f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD8F | 5100 bytes |
SHA-256: 83299b4490e5d3d03404de76a009a6345d2aafb45a7f3c73fde917c7f5a4d66f |
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font_01_sfnt_off00010ee2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10EE2 | 13104 bytes |
SHA-256: 51807c40480e865cdd5450fbc3f06dbdf84151261aca21460067675bb9240203 |
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