MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics, including ClamAV and an ML classifier, indicating malicious content. It contains a significant number of external links, many pointing to disposable hosting, suggesting a link farm or SEO manipulation tactic. The embedded URLs and the document's structure strongly suggest an attempt to redirect users to potentially malicious or scam-related websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://nipisod.ru/123?utm_term=sheet+metal+embossing+machine PDF link annotation
- https://cdn.sqhk.co/tunuviju/hjTHih2/skip_bo_app_coins.pdfIn PDF document text
- https://cdn.sqhk.co/kowipopi/qihakhi/46464331710.pdfIn PDF document text
- https://cdn.sqhk.co/danopefasuf/Ptviehj/63658341629.pdfIn PDF document text
- https://cdn.sqhk.co/zoxowowi/DBhighg/zitov.pdfIn PDF document text
- https://cdn.sqhk.co/lefuwaregew/oiAhjyj/41130556019.pdfIn PDF document text
- https://cdn.sqhk.co/gobajejuz/zhgicsL/teachers_credit_union_loan_payoff_address.pdfIn PDF document text
- https://cdn.sqhk.co/zoluwumenad/hdgdheL/vunatum.pdfIn PDF document text
- https://cdn.sqhk.co/fusexabuvej/gbgeFnx/148195520.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/petubapizo/mosaxabuwe.pdfIn PDF document text
- https://45e41439-46a4-4c97-84f0-155cfeda4cef.filesusr.com/ugd/9d7ad9_0626aae8a32e4ab08ae15b989255eb42.pdf?index=trueIn PDF document text
- https://46c19374-600d-43be-a5f2-d8bf07c6fddf.filesusr.com/ugd/cc94a4_e400f426ad7649da80257527d489bc8d.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/ziwuvijevo/easy_vegetable_salad_recipes_for_weight_loss.pdfIn PDF document text
- https://s3.amazonaws.com/zunewidimem/evenstar_song_sheet_music.pdfIn PDF document text
- https://ed21222e-fee3-4fab-8b52-e2ddb7bb35ab.filesusr.com/ugd/e73fea_9e199b87ae4046c2901db49f6f38b78c.pdf?index=trueIn PDF document text
- https://dd3528e8-ded0-4753-843e-0d3cb9f542e7.filesusr.com/ugd/4d6844_6f5d776230694de88c780b924c92550b.pdf?index=trueIn PDF document text
- https://40785fcd-1e5e-4316-9306-5db1d5795eae.filesusr.com/ugd/2f07a1_8bed7ccd61304400b03355daf305ee7a.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/divikufifir/format_number_to_string_js.pdfIn PDF document text
- https://4ad55601-b8ab-4ae0-bc0e-e90069072326.filesusr.com/ugd/3aca14_ca8697ca34ab4c19af10429607f2b42f.pdf?index=trueIn PDF document text
- https://45dcde1a-aed5-4138-b95e-a0f768a283bf.filesusr.com/ugd/89441e_55734b60069b47a7a947423639856d9e.pdf?index=trueIn PDF document text
- https://f238abdf-92e3-4651-90df-65b6e8a648d9.filesusr.com/ugd/99965f_5be5f5b0dbad46d2a52dc4b02bec2ee0.pdf?index=trueIn PDF document text
- https://5c71d6b4-13b5-43a2-97a4-9a0eba4d0f4d.filesusr.com/ugd/0f1814_518bb0a3533d4917853ccfc441f77de9.pdf?index=trueIn PDF document text
- https://39c1d623-eccb-4af0-a86a-15328a2d61f9.filesusr.com/ugd/3cb6cb_1215437f1e24470ca969d75e0719890e.pdf?index=trueIn PDF document text
- https://3df06c22-1e8a-4082-8cc2-a0fdc0609706.filesusr.com/ugd/d86e81_6a22d20efcac467d9211d333593aeba8.pdf?index=trueIn PDF document text
- https://8316a071-1c81-4729-bbc9-bb84f51c1359.filesusr.com/ugd/b2ba6b_77668c67fbad40afa42a137729e50dfb.pdf?index=trueIn PDF document text
- https://8eeb1f0a-0cdd-4c66-98a4-83777b49fb54.filesusr.com/ugd/64f9d2_a8df18b580504dc29689a3f217419856.pdf?index=trueIn 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_off0000e585.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE585 | 5360 bytes |
SHA-256: 16f92cf1e7d9bc70c22bbad132f319a1fed8eea5b70107b61a865b4b8607df5c |
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font_01_sfnt_off0000f79a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF79A | 11116 bytes |
SHA-256: 7d62480a86b85a3a06e4ebe566ca401e4197599923ab221138faa6b6b20e2dc7 |
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