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, specifically as a phishing trojan. It contains numerous external URIs, many pointing to link farms on disposable hosting, suggesting an attempt to obscure the ultimate destination or to distribute a variety of lures. The document body, though heavily obfuscated, appears to be a lure for a 'science class PDF download'. No scripts were extracted, but the presence of external links and the phishing/trojan detection strongly indicate a malicious intent to redirect users to harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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://synerhu.ru/pbw?utm_term=expanded+universal+science+class+7+pdf+download+free PDF link annotation
- https://rulotukipaka.weebly.com/uploads/1/3/0/7/130776525/6186259.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369308/normal_5fd7edf49ca54.pdfIn PDF document text
- https://sanejivuzagegu.weebly.com/uploads/1/3/2/7/132740711/dipajugubavet.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4445125/normal_6051e2a56ba81.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4481667/normal_6041c6dfc4f96.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4447874/normal_602bf52868b04.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://mujefapufefi.pbworks.com/f/how_to_make_pallet_sofa_cushions.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a5aa28ea-19ad-4a0a-a6b6-29da98c40ea7/tugabebim.pdfIn PDF document text
- http://zepadatoju.pbworks.com/f/what_is_the_best_free_anatomy_app.pdfIn PDF document text
- http://bunemirudezo.pbworks.com/f/can_you_use_vicks_vapor_liquid_in_a_diffuser.pdfIn PDF document text
- http://kepigiwup.pbworks.com/w/file/fetch/144783132/vodube.pdfIn PDF document text
- http://kepigiwup.pbworks.com/f/how_to_measure_ear_plug_size.pdfIn PDF document text
- http://tusawijer.pbworks.com/f/22713670779.pdfIn PDF document text
- http://gufikugefisu.pbworks.com/f/hyperbola_exercises_with_answers.pdfIn PDF document text
- http://gafuxexosaru.pbworks.com/w/file/fetch/144792081/fuzazexogudazunukilosoges.pdfIn PDF document text
- http://zaxovaleso.pbworks.com/w/file/fetch/145066104/wii_party_wbfs_download.pdfIn PDF document text
- http://nigezid.pbworks.com/w/file/fetch/144574554/ventilacion_mecanica_libro.pdfIn PDF document text
- http://zipiwume.pbworks.com/w/file/fetch/144868395/89379945470.pdfIn PDF document text
- http://pugaxigodaka.pbworks.com/w/file/fetch/144567675/super_smash_bros_brawl_characters_wiki.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2c5951f2-3d7f-4d81-9bef-f557a35d4e83/pt_cruiser_shifting_problems.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2163df72-0de5-467c-92bc-92758288d320/jidilodejifap.pdfIn PDF document text
- http://jajisaparev.pbworks.com/f/41928779179.pdfIn PDF document text
- http://pijipusap.pbworks.com/w/file/fetch/144619818/vilef.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_off0000ec9a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC9A | 5408 bytes |
SHA-256: f909664733afb67fe7bb65ab61cc7a76ece76d85429bc562583f04d4e9d480dd |
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font_01_sfnt_off0000ff2e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF2E | 10576 bytes |
SHA-256: a8e020d3100b02d64c8cbb86dee0c8c46e734e8b529d06b65a65369cc7188300 |
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