MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier indicating maliciousness. The document body, though heavily obfuscated, contains a URL that appears to be a lure for further malicious activity. The presence of numerous external URIs, many hosted on disposable domains, strongly suggests a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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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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://xajibur.ru/strik?utm_term=where+can+i+read+johnny+the+homicidal+maniac PDF link annotation
- http://itslm.fun/mawobew21seg.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4376858/normal_5fe6deaf539d9.pdfIn PDF document text
- http://xtw2.club/reinforcement_learning_an_introduction_sutton_bartoi31j4.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4379731/normal_5fc604c7173d2.pdfIn PDF document text
- http://beautytopshop.site/lumazujt0wgb.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4373016/normal_6004e7f3c2659.pdfIn PDF document text
- http://lnstagram-blue-badge-form.com/my_dell_inspiron_1545_says_plugged_in_not_charging1qh4q.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4487381/normal_5fc6f21931efa.pdfIn PDF document text
- http://reduslim-italy.site/dafagubiseposipenxmnrs.pdfIn PDF document text
- http://pasendapp.online/bob_stroller_revolution_sed7mqv.pdfIn PDF document text
- http://raifaisentgo.online/ramutusibajipavunimuk1lmf6.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://ac614e2c-2e00-43e4-a80f-2c6bce9fb64b.filesusr.com/ugd/f103bb_6c060154ad774fbca50c76ec15adabbd.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/xapijifas/20463615160.pdfIn PDF document text
- https://d0570615-6cc6-4b78-9a9c-590639bc525b.filesusr.com/ugd/30850e_7925b5dc9c9c4a81a92b5066638fd993.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/bajapovogam/151363544.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f117e69e-041d-40a7-857b-7e09606090d0/rock_band_4_ps4_guitar_bundle.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bd69cf10-abaf-4d2b-9abf-ad0545468853/keruw.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e226f7be-a5d2-4856-9c83-759ff7663b86/79253711888.pdfIn PDF document text
- https://s3.amazonaws.com/wexoteluwag/student_loan_payoff_calculator_google_sheets.pdfIn PDF document text
- https://065b66ee-25d8-4381-b309-094abc4d823c.filesusr.com/ugd/2703e6_c360f42e795747a2b2a5c99e07e3f00f.pdf?index=trueIn PDF document text
- https://651f5d5e-5f42-4fb0-8380-889764ca350f.filesusr.com/ugd/b2f7c1_069cc934112843b2936d7f692628accc.pdf?index=trueIn PDF document text
- https://ad217471-f301-4d07-b05b-71cdb813ff8b.filesusr.com/ugd/4f915f_de7df3f6df584291b372a08d7c1550ce.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/bc7150be-7aab-416a-ae1c-dd6bf4e8003e/manual_testing_interview_questions_for_freshers_2019.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_off00011376.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11376 | 5192 bytes |
SHA-256: 1f35dd9caa085565bacb7a4aa865b3034b7073d9b8d62f5e8dfe47b6a751ff13 |
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font_01_sfnt_off0001250b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1250B | 11084 bytes |
SHA-256: 54e77208970216321d53a8dd5cb060f31fb7086c0f1490a40c687f931b1dddd7 |
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