MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains a large number of external links, many pointing to disposable hosting, suggesting a link farm or SEO abuse tactic. One of the primary URLs, https://golowaki.ru/123?utm_term=romeo+and+juliet+review+worksheet+answers, is presented in the context of a review worksheet, likely a lure to drive traffic to these external sites. No scripts were extracted, but the PDF structure and numerous external links are indicative of a malicious document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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://golowaki.ru/123?utm_term=romeo+and+juliet+review+worksheet+answers PDF link annotation
- https://static.s123-cdn-static.com/uploads/4375210/normal_5ffa5a0f3f18f.pdfIn PDF document text
- https://vawevoza.weebly.com/uploads/1/3/1/4/131482963/gekumugifa.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4445321/normal_5fd965a4d4f3b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4374545/normal_601128a6cd5a6.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4472768/normal_600bab6507976.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4487187/normal_5fe339c52cb38.pdfIn PDF document text
- https://xoririsi.weebly.com/uploads/1/3/4/8/134848275/771358db5f89bf.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4501975/normal_60541ecf2eefb.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369525/normal_5fd7a1f760423.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4455681/normal_5ff61c62a3e2e.pdfIn PDF document text
- https://pasugewu.weebly.com/uploads/1/3/1/0/131071180/laselo.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4388282/normal_604732d98e8ce.pdfIn PDF document text
- https://zovijopafirol.weebly.com/uploads/1/3/4/6/134630452/4489446.pdfIn PDF document text
- https://busozovamifolak.weebly.com/uploads/1/3/4/2/134235369/rikijetukux_nuxat.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/kugelilizibuwum/6796435082.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/67447574-1c3d-4784-9bb2-64be5c61fcc2/how_to_make_bose_remote_universal.pdfIn PDF document text
- https://s3.amazonaws.com/vovuzize/free_english_to_afrikaans_translator.pdfIn PDF document text
- https://s3.amazonaws.com/vexeliku/84240577740.pdfIn PDF document text
- https://s3.amazonaws.com/ropuba/rovezudutisovisikebejezoj.pdfIn PDF document text
- https://s3.amazonaws.com/gebukil/dometic_ccc2_thermostat.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bde3094b-8fef-4bdb-8b48-9d2399993222/xolewomuxakemanudewa.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/37949cab-7fb9-4814-ba6c-a201b912ca0c/14099335158.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f671909d-e46e-4374-b0b6-faded9ea6420/mirimilozi.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_off0000f25e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF25E | 5364 bytes |
SHA-256: dd55236dfe1db7cbe06e2702ff0ac90273af3296bb3aa7caf1f6d98ec1b4722c |
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font_01_sfnt_off00010487.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10487 | 10756 bytes |
SHA-256: 59a4c18871f5d272fefcdcce8460917721f63010f43988148ebda217dec681bf |
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