MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, indicating a high likelihood of malicious intent. The presence of numerous external URIs, many hosted on disposable domains, suggests a link farm designed to redirect users to malicious content. The document body, though heavily obfuscated, contains references to 'acrobat reader free version 9' and 'wkhtmltopdf', likely part of a lure to trick users into downloading a fake update or software, which is a common phishing tactic.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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 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://fokemale.ru/123?utm_term=acrobat+reader+free++version+9 PDF link annotation
- https://wivaxuzavegisi.weebly.com/uploads/1/3/4/7/134769578/d413d1.pdfIn PDF document text
- http://gebigulexejo.sportsontheweb.net/passive_voice_mixed_tenses_exercises_with_answers.pdfIn PDF document text
- http://tuderoba.getenjoyment.net/89568712936.pdfIn PDF document text
- http://ulekschool.online/lg_top_load_washer_oe_error_codehnq5w.pdfIn PDF document text
- http://help-verification.com/95582442486y1hv1.pdfIn PDF document text
- http://prostotit.site/refejumefen97vku.pdfIn PDF document text
- http://lnstagram-blue-badge-form.com/2021_lexus_is_350_f_sport_awd_pricedzzra.pdfIn PDF document text
- https://dimenitajobe.weebly.com/uploads/1/3/4/4/134444553/f27a9f949a6239e.pdfIn PDF document text
- http://lamovingcompany.com/elements_financial_credit_union_locationsn3cbk.pdfIn PDF document text
- https://febujularezot.weebly.com/uploads/1/3/0/8/130813651/1160327.pdfIn PDF document text
- http://bebalezuve.medianewsonline.com/asynchronous_generator_working_principle.pdfIn PDF document text
- https://vigekajabaka.weebly.com/uploads/1/3/4/7/134708837/454617.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://salajire.onlinewebshop.net/36684127899.pdfIn PDF document text
- http://manuwakagekewu.onlinewebshop.net/35088873230.pdfIn PDF document text
- https://37523d11-79cf-4eb3-ada4-f05de57c71ee.filesusr.com/ugd/275374_7ed16a0f0b224a388b0269c4dc72156b.pdf?index=trueIn PDF document text
- http://xuvekixofeku.onlinewebshop.net/network_access_control_gartner_magic_quadrant_2020.pdfIn PDF document text
- http://wororezijetixa.atwebpages.com/nulaf.pdfIn PDF document text
- https://7e079b21-6cfc-4bbc-a8af-001f4930a7f2.filesusr.com/ugd/f66805_d53540b7af6941388c79b1bec79be816.pdf?index=trueIn PDF document text
- https://123949be-7110-4ba3-a240-a7df06fb38ce.filesusr.com/ugd/80fd5d_71bda22f7a7b49a2a8bf0d247f0d70e1.pdf?index=trueIn PDF document text
- https://f98f40d2-b649-4e6b-99af-b89bbf2331ff.filesusr.com/ugd/724bd4_6c375a212df74dbc96117f04e7523d72.pdf?index=trueIn PDF document text
- https://2489a575-72f7-492f-b117-28cfe4a4d2a3.filesusr.com/ugd/d81705_a5c2660b79a94b39a4af9f34dac61e1e.pdf?index=trueIn 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_off0000f90e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF90E | 5328 bytes |
SHA-256: d0e250b73133654e1612aa445aa01e71691f73d90e87f4a989a40722c569d974 |
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font_01_sfnt_off00010b3f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B3F | 11584 bytes |
SHA-256: f77a931ef88de7df48655bb62efc328c8715f39e7e8966f8ee044a26bdd2c51e |
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