MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous external links, many pointing to disposable domains and Weebly hosting, indicative of a link farm or phishing lure. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were directly extracted, the PDF structure and embedded URLs are consistent with a phishing or malware distribution campaign, likely initiated via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://midufefew.ru/award?keyword=civetta+taylor+kirby+s+critical+care+medicine+pdf PDF link annotation
- https://wipasokewuwil.weebly.com/uploads/1/3/4/0/134000036/lavemaxalomi-xutabuza-pixixi-gonugogokije.pdfIn PDF document text
- https://cdn.sqhk.co/sepokafaru/aFhd3gc/biotronik_loop_recorder_mri_safety.pdfIn PDF document text
- https://robavefozaxun.weebly.com/uploads/1/3/4/3/134379548/2647ee.pdfIn PDF document text
- https://cdn.sqhk.co/wowobavukelo/b66hjO3/parkour_flight_download_apk.pdfIn PDF document text
- https://jerefukixuludew.weebly.com/uploads/1/3/4/6/134686450/vefekefilijipil-zukugozuwur.pdfIn PDF document text
- http://paworupuwiwitew.iblogger.org/26809241760.pdfIn PDF document text
- https://cdn.sqhk.co/busanurutar/0hegijK/94344220850.pdfIn PDF document text
- https://cdn.sqhk.co/pemenodisoda/WifMBii/wwe_super_showdown_2019_results_bleacher_report.pdfIn PDF document text
- https://cdn.sqhk.co/muligumixe/ePhhgek/flights_to_vegas_from_seattle_wa.pdfIn PDF document text
- https://fevujuwevu.weebly.com/uploads/1/3/0/8/130813851/8054428.pdfIn PDF document text
- https://bikinolij.weebly.com/uploads/1/3/4/5/134514604/9140298.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/9f0781e1-ac62-4c1c-8312-b8db0e22dfb1/2728518455.pdfIn PDF document text
- https://9e77dbea-16d6-438e-9859-4a68c5388828.filesusr.com/ugd/3225da_bd08d039765241b1aacea0cdb49b2544.pdf?index=trueIn PDF document text
- https://adc67df4-9ac4-4169-8225-f8d60376216a.filesusr.com/ugd/a1c2c7_224959312ea54f089d53711b0f9ea133.pdf?index=trueIn PDF document text
- https://47c0d0ed-94e3-447f-940a-e265262d053f.filesusr.com/ugd/a43ec6_de59fa8c3221475d8b440fc18a898f60.pdf?index=trueIn PDF document text
- https://da5bec28-7969-4117-8ffb-5069fce5e80c.filesusr.com/ugd/31593d_8091521ba7f8483f8c2724526a14f39c.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/43cbbc8e-4d04-4efd-aa30-c703c782d245/argumentative_essay_about_school_uniforms_should_not_be_abolished.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ec81c50c-fe67-4147-94e9-aa46323d301b/reading_comprehension_passages_with_questions_and_answers_grade_2.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0091ac4e-9cfb-438c-a93c-b83c5b07cc1b/fovuj.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/297c0feb-c93d-4d41-921b-58e1d766db7d/burijozopobubavixana.pdfIn PDF document text
- http://letibeboga.rf.gd/vemolujijumopiwuputufad.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_off0000e64b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE64B | 5572 bytes |
SHA-256: 3f8a4899f2887ccbe7cd6ee9442b1fcdbeab1a953acb42aa9b85a0cae63c0830 |
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font_01_sfnt_off0000f931.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF931 | 10700 bytes |
SHA-256: 9c56e6f40fab81064011d8fc631da5d6f595b1c9de07e9f80c9d13fe66676254 |
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