MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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://cdn-cms.f-static.net/uploads/4476593/normal_602a1c3f9d79e.pdf In PDF document text
- https://cdn.sqhk.co/semexixok/geLhijd/61211275330.pdfIn PDF document text
- http://zokupez.mygamesonline.org/nolawavuf.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4460457/normal_6021cf297c2a8.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4476596/normal_6018d7a441a69.pdfIn PDF document text
- https://cdn.sqhk.co/tusufawenu/iI8idFK/64721668497.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4376380/normal_5ffe9e9e6e861.pdfIn PDF document text
- https://cdn.sqhk.co/pogadidotilu/cxfhacJ/mudosum.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4475989/normal_60167446baae8.pdfIn PDF document text
- https://cdn.sqhk.co/tuwetebep/gf8ARrB/veninaves.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://feedproxy.google.com/~r/wb/ENAH/~3/bQ3nTxENlgE/wb?keyword=wordpress%20admin%20login%20url%20redirectPDF link annotation
- https://uploads.strikinglycdn.com/files/ede856a3-7e24-4d5f-a2d8-aecdb0d4884c/34707382712.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b1d38eb8-4048-494b-a3dd-f1dc4116f484/28212252287.pdfIn PDF document text
- http://medazupu.onlinewebshop.net/bascule_synchrone_et_asynchrone.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/83d6ded5-b203-4e3f-9673-dadb649b883a/denon_dht-s316_review_rtings.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/089f3f13-066f-4675-96c2-75d95cdd5ccc/how_to_turn_on_skype_camera_on_windows_10.pdfIn PDF document text
- https://e966359d-176b-477a-9ad9-c314bea94227.filesusr.com/ugd/fa6f14_0298fa60e9834d279acc56e49ca1b748.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/3da5ced9-e51f-4b8b-af53-d7c3f6e7ffa5/wotedexapufekizamipavedax.pdfIn PDF document text
- https://5fdaa9e0-ad6d-443b-8779-beb8e45026dc.filesusr.com/ugd/05301a_327e2e0ad735450da0c037476e3c4304.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/7df430b8-b056-4055-b273-95823af4ac9e/11773525051.pdfIn PDF document text
- https://9c43cb74-45e3-47de-9527-fda2e8336169.filesusr.com/ugd/af0aa9_02afc0856bcf4e7bb173fa6bfaa6f45e.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/7d86fa49-4e1f-4d74-9019-beec235137d1/bixiduzonefizuduso.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ff76b947-a428-498a-9dbe-37e00a10c141/thanks_for_the_feedback_i_think_by_julia_cook.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/88d2c135-e37c-4b93-b553-b5e2e1ef9493/mubivepinizuwekozuvezuf.pdfIn PDF document text
- https://58552d80-c20c-4e4f-99b9-91bedbcc07a3.filesusr.com/ugd/c18496_da05d9e4ce154e7d971369f1c81972bf.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/30c86000-3e87-497b-a02d-24f763f184d4/20_kw_kohler_generator_installation_manual.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f441.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF441 | 5404 bytes |
SHA-256: ac4404db2ceedd8fe1f8d1f0acd5263042ea80c893fb78a6beaf6594bbd8720b |
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font_01_sfnt_off00010693.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10693 | 1796 bytes |
SHA-256: dfab3945eace5ba27be1ad95d63d5142397767eab6bca27773794b33bda2302c |
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font_02_sfnt_off00010f1d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F1D | 12312 bytes |
SHA-256: 1a09e6640100a1ff618ced2ec4d329917cc2e513727d70ff09e87c10785ae68d |
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