MALICIOUS
226
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious File
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. It uses a remote-support 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 0.9998
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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Remote-support tool lure high SE_REMOTE_SUPPORT_LUREDocument instructs the user to install, open, or connect with a remote-support tool such as AnyDesk, TeamViewer, Quick Assist, or ScreenConnect — high-risk in an unsolicited document
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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/strik?utm_term=netgear+wgr614v7+als+wlan+repeater+einrichten PDF link annotation
- https://zotamitogimida.weebly.com/uploads/1/3/0/7/130775261/f8a9221fc2.pdfIn PDF document text
- https://pikiromubivi.weebly.com/uploads/1/3/0/7/130739210/doweleroj-binugogufefu.pdfIn PDF document text
- http://tanemazijafawin.medianewsonline.com/medicinal_importance_of_bitter_leaf.pdfIn PDF document text
- http://all-host.site/101012099722jq8s.pdfIn PDF document text
- https://tapituxupali.weebly.com/uploads/1/3/1/3/131382330/9665680.pdfIn PDF document text
- https://rixemovupel.weebly.com/uploads/1/3/1/6/131606965/ruxolig-narakudizaxak-negaku-nujowaw.pdfIn PDF document text
- http://afracheat7.xyz/top_down_and_bottom_up_approach_to_readingtasxz.pdfIn PDF document text
- https://tugokuwotim.weebly.com/uploads/1/3/1/3/131379049/1364082.pdfIn PDF document text
- https://senovaxevuka.weebly.com/uploads/1/3/5/3/135304629/sukobuke-dupigotomave-luwogerel.pdfIn PDF document text
- https://koniwosusuzese.weebly.com/uploads/1/3/1/8/131856176/1a11b86.pdfIn PDF document text
- https://jesisime.weebly.com/uploads/1/3/4/8/134886507/c9429547d75f.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://d5fd0048-bb8d-45a1-ba21-28d1cb0b7162.filesusr.com/ugd/5e8de6_8a3dd5bf3b5f495cbf9c7b761d2c79d2.pdf?index=trueIn PDF document text
- https://6e8b94c7-278c-4a65-9c30-8d61c93a8f31.filesusr.com/ugd/9ff9b8_b767d2a4de4147c1aaf1bb5fa62aba05.pdf?index=trueIn PDF document text
- https://113c517c-d7b0-4b36-99d7-6722bcb7ef36.filesusr.com/ugd/8e66a5_8ef2adee9b7349649f336cd218eaf2e8.pdf?index=trueIn PDF document text
- https://8c77b9b7-c39b-43d6-9406-6086bd2c0f93.filesusr.com/ugd/ee6770_5b05a7f4d14e4b92b336a40807a0c219.pdf?index=trueIn PDF document text
- https://9f503c4c-bf14-4dcb-9a7a-68e0e5bb3568.filesusr.com/ugd/8ac1ab_8d5e6f093b8c4c2e893166784d4efcf5.pdf?index=trueIn PDF document text
- https://9c789f27-b70c-4c9d-9e83-211ee8f99b38.filesusr.com/ugd/bdeb4c_964d38c0d2b5458eb9b85ed31677d2c6.pdf?index=trueIn PDF document text
- http://zutugidod.onlinewebshop.net/minna_no_nihongo_1_audio_download.pdfIn PDF document text
- https://a1c9bafd-2917-4c1b-b79c-a4b44a941470.filesusr.com/ugd/f0f215_5e4818b1036643d684f1fcbd8fc25385.pdf?index=trueIn PDF document text
- https://2e5cbe44-7de3-4e3f-b94c-8a8567814465.filesusr.com/ugd/f96b02_08b977af73d145ac80e074646cb5a912.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_off0000fa30.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA30 | 5692 bytes |
SHA-256: acff8d01f20a4f9c0c723d63ea8f52cfadbaeaa9fa8a7ea261244ea502a81c99 |
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font_01_sfnt_off00010dc4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DC4 | 11784 bytes |
SHA-256: ee28b55b3aecab1c3e72777d6eebecf79c9e6e8fc82e010d1b6867ffa46b263a |
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