MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains multiple links to external resources, with a high-confidence heuristic identifying a link to a potentially malicious PDF hosted on disposable infrastructure. The document body, though heavily obfuscated, suggests a lure related to 'Asexual reproduction in plants worksheet answers', indicating a phishing or social engineering attempt. The presence of numerous links and the ML classifier's strong positive result support a high confidence in its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://gimoguvi.ru/wix?keyword=asexual+reproduction+in+plants+worksheet+answers PDF link annotation
- http://bitawulam.iblogger.org/30866493178.pdfIn PDF document text
- http://tomolijoponix.mypressonline.com/92497761159.pdfIn PDF document text
- http://privateguardingserviceagainstdanger.site/jobs_for_logician_personalityg0o5t.pdfIn PDF document text
- http://labincom-med.ru/88117596602t9d2d.pdfIn PDF document text
- https://bazajiwudimikot.weebly.com/uploads/1/3/4/3/134344454/9311193.pdfIn PDF document text
- https://fidojosamesevuf.weebly.com/uploads/1/3/4/5/134594598/pixagamip.pdfIn PDF document text
- http://roxaresasupuke.iblogger.org/66185573993.pdfIn PDF document text
- http://fikosarodone.medianewsonline.com/applied_research_design_for_business_and_management.pdfIn PDF document text
- http://forkidsshop.online/9737484018fhpl9.pdfIn PDF document text
- http://chestlune.online/polk_audio_surroundbar_subwoofer_not_working91q9u.pdfIn PDF document text
- http://bettermoneytips.com/fuvinekoludolifaxotisumiio9vd.pdfIn PDF document text
- https://rokaxitifefisol.weebly.com/uploads/1/3/4/0/134040577/c7dd2e.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://javewebug.epizy.com/19990374492.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7a26222e-fd1f-4384-8202-0a61558e8569/fukokekovoxojetadavog.pdfIn PDF document text
- http://lawurukipajuxe.rf.gd/fanaven.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e5fa9440-1b6e-4b04-acfa-edd412848e85/53237053259.pdfIn PDF document text
- http://pojenuza.epizy.com/rajebijodifosanapusejad.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b1447e44-8d86-4b22-92b3-868fefc96b1b/apc_back-ups_es_550_price.pdfIn PDF document text
- http://sifepilojiba.rf.gd/daxeseripezinubakuda.pdfIn PDF document text
- http://tiwobera.rf.gd/anker_powercore_20000_user_guide.pdfIn PDF document text
- http://fovusuru.epizy.com/19964614197.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_off0000f09b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF09B | 5372 bytes |
SHA-256: 62932fe0c91486effaaedf87e0ef7ac2853573602e99ab88b71f6e1ed26ba8ca |
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font_01_sfnt_off000102f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102F2 | 10408 bytes |
SHA-256: e506f662c797fc33c1fdb37408afe71c844c3f42555967862e363077aff9803e |
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