MALICIOUS
226
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. It uses a fake browser/software-install lure. 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 0.9996
Heuristics 7
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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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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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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://jottigo.ru/123?utm_term=music+from+vk PDF link annotation
- https://cdn.sqhk.co/tagorotage/dhfjdic/kapal.pdfIn PDF document text
- http://tevutubiwij.getenjoyment.net/michigan_child_support_guidelines_2019.pdfIn PDF document text
- https://cdn.sqhk.co/dijabidasu/hisgcVI/mod_do_orespawn_para_minecraft_pe.pdfIn PDF document text
- https://cdn.sqhk.co/xibumediw/ojiCtic/tumblr_iphone_backgrounds_hd.pdfIn PDF document text
- http://lexaxak.mywebcommunity.org/convert_arabic_into_english.pdfIn PDF document text
- https://cdn.sqhk.co/fosulavale/cjbnugg/vshare_app_for_pc.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://979cd01f-16ea-4d2c-b189-234964c95597.filesusr.com/ugd/d4c4cf_01a36369e6f643709c87e6dc0fde3638.pdf?index=trueIn PDF document text
- https://d45380bd-a93d-4ef2-b2bd-4c7806d1f6db.filesusr.com/ugd/5d2cf3_3ede8b9a21764b548d767da40c3533f0.pdf?index=trueIn PDF document text
- https://d4508431-0eee-4913-ac2a-2ec907ed9b18.filesusr.com/ugd/12daa7_5fc4e3585380491e90c04ad4770e9562.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/1b6588f1-1e36-47f9-bead-660436ac5aa2/morapidelirivumovazisirim.pdfIn PDF document text
- https://5ac9d038-517d-4536-97f6-676423289421.filesusr.com/ugd/b444d4_0fe814522f0e4bf89289a7b9e982c260.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/zopenave/ffxi_undertake_a_gov_training_regime.pdfIn PDF document text
- https://s3.amazonaws.com/minegikukovel/bushido_free_font.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/efac1857-1e09-4ef6-b7af-78f27f241a1d/3596733927.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7fca4226-12a0-49d6-bab5-bcbe9bf0fe99/nogizivazogo.pdfIn PDF document text
- https://3b0fe5ff-7f86-489c-8138-fc984e51136c.filesusr.com/ugd/bfd78a_4888d2516a4949d78f6e59b56eeb1a32.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/b1e2de5b-fff6-4857-9556-1c1f6f59fe2e/ditenodevinuwirifumax.pdfIn PDF document text
- https://bef89f6e-6323-4b84-ad9d-a44490bfcc4f.filesusr.com/ugd/96768c_095742ade1a24b0d90c9d6608ca8aab9.pdf?index=trueIn PDF document text
- http://vavadot.onlinewebshop.net/zawut.pdfIn PDF document text
- https://s3.amazonaws.com/podawakumepewez/how_does_molecular_biology_support_evolution.pdfIn PDF document text
- https://b00f38ea-0d13-4519-ab0f-1253f0d03ca0.filesusr.com/ugd/289c5e_ad2a022b4f814d93a5dcbe9914376b7c.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_off0000eb24.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB24 | 4912 bytes |
SHA-256: baf56e6d3981f438e60d9171adf534bea75965821d1da38d78e226915b7bd5bf |
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font_01_sfnt_off0000fbe3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBE3 | 11360 bytes |
SHA-256: 9c03d1be67b1e55631e3eab2d73ee52185968c931fa5e6823d49b935536baade |
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