MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous external links, with one prominent link pointing to 'https://coretry.ru/pbw?utm_term=grbl+controller+tutorial'. This URL, combined with the heuristic firings indicating a link farm and a critical ClamAV detection for 'Pdf.Phishing.Trojan', strongly suggests a phishing or malware distribution attempt. The document body, though heavily obfuscated, contains metadata related to 'wkhtmltopdf' and a date, but no clear textual lure. No scripts were extracted, but the overall structure and URL suggest an attempt to redirect users to a malicious site.
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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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://coretry.ru/pbw?utm_term=grbl+controller+tutorial PDF link annotation
- https://fumotelam.weebly.com/uploads/1/3/4/7/134734881/8141e4.pdfIn PDF document text
- https://zulozuger.weebly.com/uploads/1/3/5/3/135310252/8e7e21e0.pdfIn PDF document text
- https://geroguvipem.weebly.com/uploads/1/3/4/4/134465684/4980383.pdfIn PDF document text
- https://wonuxomi.weebly.com/uploads/1/3/1/0/131070523/wiritobax.pdfIn PDF document text
- https://xififaxapid.weebly.com/uploads/1/3/4/3/134344339/nazeliveni-wovumezituteg-jofogofure-rusepaxibideg.pdfIn PDF document text
- https://zixotojene.weebly.com/uploads/1/3/4/3/134315054/a88bc08be1729.pdfIn PDF document text
- https://pememeva.weebly.com/uploads/1/3/0/8/130874233/6775857.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/2f6c87d0-22be-42d0-a108-d7e3f5d35648/worship_songs_about_togetherness.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7bf31713-9b04-41e3-8a4f-88941481a6a3/71360943618.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7fc5c6e1-d595-4e93-a30e-d3cb71e34a33/waxezejaxoz.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b7006342-1aae-422f-b686-0411b55928eb/xiwopegeb.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8c5cf320-0f6b-43a8-b562-bfb21b336e85/what_are_the_3_rhetorical_strategies_used_in_advertising.pdfIn PDF document text
- http://niluputevi.pbworks.com/w/file/fetch/144718821/kijobutedaguruxubesor.pdfIn PDF document text
- http://mifimoruzuwo.pbworks.com/f/98748927123.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1b42f053-0731-4357-b84d-07af69adf7e2/tusatenijiluka.pdfIn PDF document text
- http://wudiwiligis.pbworks.com/f/rachmaninoff_vocalise_piano_solo_sheet_music.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7e7b3a1c-80c5-4f07-b13d-ca5f3b51596b/15050479034.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/61e054e7-45d2-42dc-9aa1-14f29e329ecd/why_is_animal_testing_so_important.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/94a26dbe-8aa2-4429-b23d-d057cf9b1585/what_color_wallet_is_lucky_2020.pdfIn PDF document text
- http://laxujaju.pbworks.com/w/file/fetch/144750180/smash_ultimate_december_2020_tier_list.pdfIn PDF document text
- http://sejawes.pbworks.com/f/microsoft_windows_7_enterprise_32_bit_iso_download_free_full_version.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_off0000df5d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF5D | 4784 bytes |
SHA-256: 2970078b7e9fead1f5bd0e3badb1c0c63c10777d63fc908e6186a6a4f747cf4c |
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font_01_sfnt_off0000efb1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFB1 | 10408 bytes |
SHA-256: df2f91e584ccf6e64da1b93e153b4abf99567be6a9100259aa1229665ac36390 |
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