MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. It contains numerous embedded URLs pointing to disposable hosting and link farms, suggesting a phishing or malware distribution scheme. The document body, though heavily obfuscated, contains references to 'Charles Darwin's Origin of Species' and 'wkhtmltopdf', which may be used as a lure to disguise the malicious nature of the links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9963
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://soxebez.ru/strik?utm_term=charles+darwin%2527s+origin+of+species PDF link annotation
- http://kulinar2020.site/127359812565bvmn.pdfIn PDF document text
- https://cdn.sqhk.co/suxavawudomo/huha0ie/8081797301.pdfIn PDF document text
- https://bozixezexa.weebly.com/uploads/1/3/4/8/134861503/3805978.pdfIn PDF document text
- https://cdn.sqhk.co/wituruxa/80hgzJv/robot_shark_game_mod_apk_download.pdfIn PDF document text
- https://cdn.sqhk.co/bixevemaxi/ihc6Qig/pesig.pdfIn PDF document text
- https://cdn.sqhk.co/kurinunuwor/2fghehc/37528925318.pdfIn PDF document text
- http://bilet-pdd.site/106605016547i0p5.pdfIn PDF document text
- https://dabusoze.weebly.com/uploads/1/3/4/5/134585091/4503.pdfIn PDF document text
- http://crysety.xyz/vowobuwaybpsw.pdfIn PDF document text
- http://chistohome.moscow/how_much_does_ccna_certification_costps08b.pdfIn PDF document text
- https://wipibafupegivu.weebly.com/uploads/1/3/4/8/134868488/ruranovaxerizawotapu.pdfIn PDF document text
- https://bododomeliba.weebly.com/uploads/1/3/1/4/131408614/bfd28c4dc9631d5.pdfIn PDF document text
- https://tivirubopif.weebly.com/uploads/1/3/1/4/131406506/6426886.pdfIn PDF document text
- https://sizuxemonip.weebly.com/uploads/1/3/4/3/134315948/xudovinemater_madasogoba_zasekawokep_legopibaladub.pdfIn PDF document text
- https://zizojatemizowen.weebly.com/uploads/1/3/4/0/134016780/gopikijaf_xebifagujol.pdfIn PDF document text
- http://trysalon.xyz/is_bread_business_profitable_in_kenyav0mp6.pdfIn PDF document text
- https://dodagifudawawub.weebly.com/uploads/1/3/4/7/134750091/povabotefesunis.pdfIn PDF document text
- https://rorezumi.weebly.com/uploads/1/3/4/5/134591247/poxijidejumuna.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://6c71f620-b6e5-46cc-9e58-526c5f0a7a41.filesusr.com/ugd/1c90dc_08151a7c256a4a7787490ac184382b8c.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/6b2d814a-f746-4443-9da5-4259b08e3dbe/hoover_windtunnel_xl_pet_bagless_upright_vacuum_uh71105di_belt.pdfIn PDF document text
- https://53ee2ee6-42da-4c96-954f-60f726bc8d53.filesusr.com/ugd/de2744_579f401bbfdb4a2f96de95195f90b7e6.pdf?index=trueIn PDF document text
- https://f4dd034e-00c7-465c-b850-fb2d75accad5.filesusr.com/ugd/769f78_6b5e879d4ed14515a0661b6b15f348f0.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/18924eca-73f0-4029-9a57-ea4ac5e4e7c1/pukoxux.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5271921c-7678-4795-bbf0-47ea0de871d9/93729109483.pdfIn PDF document text
- https://a0f88182-e1f9-4a9c-ba22-d5ce004c6985.filesusr.com/ugd/2f3216_bf5eb7597b344cb49f5fc07c9e9abf9c.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_off00028203.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x28203 | 5448 bytes |
SHA-256: 986c86d9fd8cbe72090734feb990cf109c1b9695231f6d9b97a4f161ca3d1dcc |
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font_01_sfnt_off0002949e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x2949E | 12700 bytes |
SHA-256: a6865b4faa5833de58e48346ddd1cd06cbe1315ba3ff1e1f0bf654f43a3b6828 |
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