MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was identified as malicious by multiple heuristics and an ML classifier, indicating a phishing or SEO spam campaign. It contains a large number of external links, many hosted on disposable domains, suggesting an attempt to drive traffic to malicious or low-reputation sites. The document body, though partially corrupted, contains metadata related to book titles and authoring tools, reinforcing the lure of educational or informational content.
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 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://bologen.ru/strik?utm_term=fundamentals+of+heat+and+mass+transfer+5th+edition PDF link annotation
- http://hytri.com/best_speakers_for_audio_technicamhevz.pdfIn PDF document text
- https://cdn.sqhk.co/pimibopugugo/gtehcMw/zodivivewino.pdfIn PDF document text
- http://persequenteamsohbet.com/small_business_trends_for_20209wcic.pdfIn PDF document text
- https://cdn.sqhk.co/dulinifijal/vierkhf/diversity_meaning_in_english_tamil.pdfIn PDF document text
- http://flathead.us/bobovoperotadimalixrz4iu.pdfIn PDF document text
- http://livecopyrightverification.com/537882103343iobx.pdfIn PDF document text
- https://cdn.sqhk.co/nadizolobe/Y6y3qhf/beats_x_problems_charging.pdfIn PDF document text
- http://santaparker.store/7579348465h6t2k.pdfIn PDF document text
- https://cdn.sqhk.co/zijigemeworu/hgghgyC/kuvitokizofopusazoren.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://s3.amazonaws.com/leteraxewe/autocad_tutorial_in_hindi_free_download.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5959c1df-4c6e-42ed-93dc-1de6598a14de/vizio_e420i-a0_update_firmware.pdfIn PDF document text
- https://s3.amazonaws.com/jivuxo/osrs_hellhounds_cannon_guide.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b01b81ae-cf52-4df5-903c-9daca384e3cb/life_coach_career_advice.pdfIn PDF document text
- https://s3.amazonaws.com/widetunipet/87335480241.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/915d4436-8359-4da1-a6b3-bac2ec8b9570/what_are_the_99_names_of_allah_called.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b7d0363e-984d-4a6a-b153-dca7f3a49472/60468181050.pdfIn PDF document text
- https://24a70dd4-b549-4b9e-9c0a-6eea45ab85ad.filesusr.com/ugd/ab0c63_be01e3270ea54e439902ac20ac92985c.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/remeranexe/zinorujilijar.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c0a7d13a-fdf4-4046-a111-6b1ab09547b2/dakulofugovuvonojekekam.pdfIn PDF document text
- https://48936d5e-4b15-4059-a328-ddb12afcc15e.filesusr.com/ugd/173145_0360f10f6be845458bca9088be724d27.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/ce262a0f-4a36-4b62-b783-442c4bd01882/29375687672.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000db4d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB4D | 5108 bytes |
SHA-256: 19ddf0a9a9ec7e10d3559da8a7f1a5d9d11a2993f5fb6ef2286c3818fbc4a2cf |
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font_01_sfnt_off0000ec7f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC7F | 11032 bytes |
SHA-256: f52daa28950faa45a1bfadf0c8a1c3acf0259fa0ba83b078fa238937a629d7a3 |
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font_02_sfnt_off000111ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111AE | 4324 bytes |
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f |
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