MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample is a PDF file flagged by multiple heuristics and a machine learning classifier as malicious. It contains numerous embedded URLs, with at least one pointing to a known malicious redirector. The document body is heavily obfuscated, but the presence of links suggests a phishing or malware distribution attempt, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 5
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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 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://dafemum.ru/strik?utm_term=best+paintballs+for+tippmann+98+custom In PDF document text
- http://sitonuba.mypressonline.com/antonin_scalia_book.pdfIn PDF document text
- http://opendouche.xyz/dremel_4000_lowest_pricelbh80.pdfIn PDF document text
- http://teaitalis.space/97198069797xo9s.pdfIn PDF document text
- http://creditpm.com/jusuzamig63nvd.pdfIn PDF document text
- http://nazhivy.net/iiit_hyderabad_placements2sc2q.pdfIn PDF document text
- http://vawadofofasip.getenjoyment.net/doubledown_casino_slots.pdfIn PDF document text
- http://bagerisevi.scienceontheweb.net/cell_cycle_regulation_worksheet_answer_key.pdfIn PDF document text
- http://reduslim-buy.site/solving_inequalities_and_graphing_worksheettpfmq.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://redubemupaluk.rf.gd/asmaul_husna_with_urdu_meaning.pdfIn PDF document text
- https://s3.amazonaws.com/baposivarabuj/free_able_printable_invitations.pdfIn PDF document text
- https://1c514d3f-4aca-4c14-a2cc-94ef866bc6c7.filesusr.com/ugd/860217_4e1cc6db0063413481c482f51b60095e.pdf?index=trueIn PDF document text
- https://3d3b31fc-6152-41c7-b1d4-a4af3afcce63.filesusr.com/ugd/3f8d85_1057469b847a46b7917e951cde583435.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/f775b9d9-48cc-4772-b929-689ce7690e5f/setefamaxakokekela.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c539354e-a729-46a1-8ea5-1076c0826248/how_to_delete_voicemail_message_on_panasonic_home_phone.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/23960760-dddb-4c6d-94ab-bc59845b245e/walgreens_blood_pressure_cuff_replacement.pdfIn PDF document text
- http://jokiperone.epizy.com/como_la_flor_sheet_music_free.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/dad8a26f-c709-41f8-8dbf-d2f7dbc1ecc6/73551923148.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7412b184-1f5a-4bb9-a948-3618cdedb5dd/fun_writing_activities_middle_school.pdfIn PDF document text
- https://s3.amazonaws.com/kewakuko/wufemorabobovatepokamena.pdfIn PDF document text
- https://6c036dbd-b327-4678-b778-de8a2ee7bb50.filesusr.com/ugd/ed64d2_5560d9f02bb84febb4c2e88dcc2a9c8a.pdf?index=trueIn PDF document text
- https://d4a58959-25bc-41ae-a48c-99f47e3c4711.filesusr.com/ugd/4dab1e_47216c91274a4883ae1ebb70c87ac23c.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/bufexa/xanigaponi.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_off00010be2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BE2 | 5700 bytes |
SHA-256: 52c9aa5387081e8059af75be488a4551891c75505e1b3963add3271c17c096aa |
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font_01_sfnt_off00011f29.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F29 | 10436 bytes |
SHA-256: 583d8ccedf8bdbf1561bf8cb3c864675ff86cf2e78b9eaf75394d2f38c79de8f |
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