MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple external URIs and is flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. The presence of a 'download' button lure and the structure of the PDF, which includes numerous links to disposable hosting, strongly suggests a phishing attempt to trick users into downloading further malicious content. Although no scripts were explicitly extracted, the PDF structure and embedded URIs are indicative of a malicious workflow.
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 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://mezovuduw.ru/award?keyword=principles+of+genetics+by+gardner+pdf+download PDF link annotation
- http://opsnatur.fun/54679382829mdjs.pdfIn PDF document text
- http://soldonlittleton.com/baked_cod_lemon_butter_garlic07k1j.pdfIn PDF document text
- https://tarebizadutobi.weebly.com/uploads/1/3/4/3/134310067/xutaw.pdfIn PDF document text
- https://xixezowipena.weebly.com/uploads/1/3/5/3/135341666/e4c9b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4392462/normal_603995f1ca81c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4475565/normal_602ebece2a373.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4427509/normal_5fec1e6c9e9bd.pdfIn PDF document text
- http://freds.space/fupizetegenufukusare2fn6t.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4453332/normal_6001670d39551.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4496153/normal_5ff84507efef5.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4417308/normal_5fc6894424423.pdfIn PDF document text
- https://bekefipupo.weebly.com/uploads/1/3/4/0/134096026/vobudaronufujud-nawubureju-rofijofibowaza.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4365636/normal_5ff017ef3fb27.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4463551/normal_602225f512366.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/niporofez/recipes_using_filo_pastry_sheets.pdfIn PDF document text
- https://665985ba-8e9f-4173-b993-17a3090d61d7.filesusr.com/ugd/08421c_acf7bc735513494bba6477a8a7c54cf1.pdf?index=trueIn PDF document text
- https://e9b66cc5-9289-431c-8f17-6739e1cd2d88.filesusr.com/ugd/c8f33b_d54ac044ed774b63857b704bcaa2e38f.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/taguxif/38741199328.pdfIn PDF document text
- https://s3.amazonaws.com/davubewu/aggression_questionnaire_short_form.pdfIn PDF document text
- https://67a4337f-2b79-4d04-9c1d-2578c80f4945.filesusr.com/ugd/964009_bc3df61de0a94124b960043a9c6c51c7.pdf?index=trueIn PDF document text
- https://5c71d6b4-13b5-43a2-97a4-9a0eba4d0f4d.filesusr.com/ugd/0f1814_27397b0a30d64f84a0e907e628f58f66.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/tezude/30402401533.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_off0000da48.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA48 | 5660 bytes |
SHA-256: 1d876a35fb7ea4812c1b0e648adac2f3377509598165012d8b182f17cfe0b6f6 |
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font_01_sfnt_off0000eda4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDA4 | 10504 bytes |
SHA-256: f3f410c452d456a1456e43cf45fbe480e78a4a415eced162366144db75e35ebe |
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