MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links pointing to various domains, many of which are hosted on disposable infrastructure. Heuristics indicate these links are part of a link farm designed to redirect users to malicious sites, with one specific URL identified as a known malicious redirector. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or distributing further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
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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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://yafferge.ru/award?keyword=curso+completo+de+apicultura+georges+de+layens+pdf In PDF document text
- http://idealsit.space/91975353668xgo0t.pdfIn PDF document text
- https://cdn.sqhk.co/vagekasip/ib9hdhb/capitalist_pig_hedge_fund_performance.pdfIn PDF document text
- http://manibupefif.mypressonline.com/mercedes_c180_kompressor_2020_manual.pdfIn PDF document text
- https://cdn.sqhk.co/kewawukufiju/oiigiSw/guess_movie_name_from_image.pdfIn PDF document text
- http://aycotoro0.xyz/corrosion_engineering_and_cathodic_protection_handbookyi9ob.pdfIn PDF document text
- https://cdn.sqhk.co/nilesatu/ahfk0q8/tamil_cinema_box_office_king_2019.pdfIn PDF document text
- http://digitalliteracyinstitute.com/49944352605mz5tl.pdfIn PDF document text
- http://fukazab.mywebcommunity.org/dupakadadupumar.pdfIn PDF document text
- http://kungfumalibu.com/96420755422oqpcl.pdfIn PDF document text
- http://extraevents.ru/kenmore_top_load_washer_will_not_drainzfol6.pdfIn PDF document text
- https://cdn.sqhk.co/wosipuvetot/aTGEhhf/cake_maker_game_apk.pdfIn PDF document text
- https://cdn.sqhk.co/vasozaponem/a7HH4hU/32867741700.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/7bc0beca-1dc7-4fa9-9682-e207c62fafe0/gamawixokonu.pdfIn PDF document text
- https://434dcbc4-7bd9-40fe-99bf-e102daebf961.filesusr.com/ugd/07ef24_106a87eeb02248969c6d2b1ea966ef41.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/674e08f3-ac09-4243-af68-4e4547ff4d3d/how_to_fix_generator_that_wont_start.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7c5751ba-2c59-44f5-a36e-3c9add4e8646/93216830891.pdfIn PDF document text
- https://368051e9-4199-40ea-b9a2-dc6e6f83cb3b.filesusr.com/ugd/6260fe_3e07e083028a4cdfba8008d47044f61a.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/879a64b5-7822-4286-bad4-a0f08ff720d7/gigirewovuriderezotebi.pdfIn PDF document text
- https://62dace35-232c-43a2-b3e8-6cf19ad57148.filesusr.com/ugd/42ae31_df55d09dc43841358d976bdebf9859e3.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/38e38d8c-bbae-475c-a89a-2470d3e82206/how_do_checks_appear_on_bank_statements.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/76f5451b-cede-459b-99f1-e73b5bf63bb6/lejapinevunizis.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/888f2909-7368-4625-a140-6b4538af32de/public_administration_jobs_in_private_sector.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cd5385aa-141e-4c0c-99fe-8cff42dc82c5/edtpa_task_3_assessment_commentary_examples_early_childhood.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_off000104fc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104FC | 5484 bytes |
SHA-256: 35b5f91fdeab417d9c22a7f644576d25ea9aa2dffa08beeb3df3a4a17cad9732 |
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font_01_sfnt_off00011796.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11796 | 11636 bytes |
SHA-256: dd84e58acd56104be0291e0ad9bae86307133513e8ba0652c30738dae48b5ac7 |
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