MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs pointing to disposable domains, suggesting a link farm designed to redirect users to malicious content. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a deliberate attempt to obscure the true malicious destination through a large number of redirects.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://jottigo.ru/strik?utm_term=pharmacology+books+pdf+free+download PDF link annotation
- https://cdn-cms.f-static.net/uploads/4393904/normal_5fe993cfa2679.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4472494/normal_60312a5c8c66f.pdfIn PDF document text
- http://xelamoxadavas.mywebcommunity.org/daroxoropixapulagu.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4464530/normal_5fe60f1cb68a3.pdfIn PDF document text
- https://cdn.sqhk.co/nixagigad/jfibhir/94903470508.pdfIn PDF document text
- http://wuramegojuluz.mywebcommunity.org/vomadewumepakomuloto.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4459035/normal_601addb0bd123.pdfIn PDF document text
- http://sunufosabupes.scienceontheweb.net/33732203870.pdfIn PDF document text
- http://tipofeliluget.medianewsonline.com/67266412562.pdfIn PDF document text
- https://cdn.sqhk.co/jigavozef/hjhbvfD/running_on_empty_chords_piano.pdfIn PDF document text
- http://lixodamevurobar.mygamesonline.org/48132405988.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4390068/normal_6034201a1599f.pdfIn PDF document text
- http://towufato.mywebcommunity.org/67345592881.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/mevuzokekenojab/soccer_training_program.pdfIn PDF document text
- https://s3.amazonaws.com/mogipegi/anime_tv_watching_free_apk.pdfIn PDF document text
- https://s3.amazonaws.com/faxaxos/moviesda_telugu_dubbed_tamil_movies.pdfIn PDF document text
- http://tefetuzuzip.myartsonline.com/what_is_scientific_method_summary.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/72c36f4c-51e2-4435-8ccb-a87f79d48f2a/last_lecture_chapter_summary_10.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3944ec14-450e-4a31-b325-eb8077aa3a2e/xumojukuniforafotefexadu.pdfIn PDF document text
- https://s3.amazonaws.com/zunaduxa/how_to_explain_educational_background_in_interview.pdfIn PDF document text
- http://pisonepegosa.myartsonline.com/17848920192.pdfIn PDF document text
- https://s3.amazonaws.com/simujix/cv_format_for_teachers_in_pakistan.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_off0001ae0e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1AE0E | 5968 bytes |
SHA-256: 5166b575d18e03083354b7c29f4929acba65c9cbdd3f75fa8bd3e89b58afee63 |
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font_01_sfnt_off0001c24b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1C24B | 12208 bytes |
SHA-256: f563443b0057b30d2a1fae7b8c3b927c29377d8660f7451b6d66bf29a877c5a8 |
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