MALICIOUS
194
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 and presents a deceptive download button. 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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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://jacksth.ru/strik?utm_term=how+to+learn+korean+language+quickly PDF link annotation
- https://cdn.sqhk.co/zabitokepum/jhjejak/pifaputikavamejor.pdfIn PDF document text
- http://xepuxupipe.mywebcommunity.org/gonuranolinubunivoramu.pdfIn PDF document text
- https://cdn.sqhk.co/doburazax/eGEgclr/mifibi.pdfIn PDF document text
- https://cdn.sqhk.co/zarifabidit/eifo1hj/85916439902.pdfIn PDF document text
- https://cdn.sqhk.co/rajunakeb/EthfgdE/67160369294.pdfIn PDF document text
- https://cdn.sqhk.co/xorudonox/iN5jjIm/43397722088.pdfIn PDF document text
- https://cdn.sqhk.co/jafakitiw/hCgca5r/64012958677.pdfIn PDF document text
- https://cdn.sqhk.co/pixafosabow/bieGZjf/71844695839.pdfIn PDF document text
- https://cdn.sqhk.co/wovegase/RharQie/gaja_audio_song_kannada.pdfIn PDF document text
- https://cdn.sqhk.co/tajiwikiter/MaefShh/3963986499.pdfIn PDF document text
- http://peteferix.mypressonline.com/habits_of_mind_chart.pdfIn PDF document text
- https://cdn.sqhk.co/pulisamog/d5S3c5e/daxivavoma.pdfIn PDF document text
- https://cdn.sqhk.co/nabotogemobe/hihc2ge/william_the_conqueror_video_history_channel.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://s3.amazonaws.com/minaxigevani/clash_of_clans_iphone_to_android_transfer.pdfIn PDF document text
- https://a0d2adcf-75bd-42a9-a42a-c23e1c6e9e1a.filesusr.com/ugd/85c99c_eb624c3d3e6844a2a44d0f9afb5c89de.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/jimugivos/puwimuvusaxefu.pdfIn PDF document text
- https://c1908cc8-b41e-4b5b-ab1c-53d28a7f2745.filesusr.com/ugd/913720_30d6d41a267f4117a9ab6bb01384f46a.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/rujimidujek/zovofavon.pdfIn PDF document text
- https://21036261-01f9-4725-a342-2b8b08d10099.filesusr.com/ugd/d0cbc4_07b167016cda43068a1c23fb9ce3c743.pdf?index=trueIn PDF document text
- https://a50dbba5-e4fd-40cc-afa9-a45495a5accf.filesusr.com/ugd/7f929b_53d203054e15459ba6c7aa348bc04494.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001739c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1739C | 6388 bytes |
SHA-256: 2620907a43cf987fe9ea585fa857ccacf4332c5f3f036bed2d24d507ca9bdd58 |
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font_01_sfnt_off000188da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x188DA | 5016 bytes |
SHA-256: b21be0f8d439be2f01c44b97247fb3d8700e23caf50d3e73070e96b5290d820d |
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font_02_sfnt_off00019a0b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x19A0B | 11352 bytes |
SHA-256: f8973bd67f168fc383494cb7731c5c5e008af1dfe37cd5033d9d8dbbb1bc81ff |
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font_03_sfnt_off0001c092.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1C092 | 4324 bytes |
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e |
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