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-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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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://kuzutuzo.ru/123?utm_term=manual+de+robotica+para+ni%25C3%25B1os+de+primaria PDF link annotation
- http://proita.fun/83727077258m9066.pdfIn PDF document text
- https://cdn.sqhk.co/sotixesikux/athjgiZ/61996650196.pdfIn PDF document text
- http://terem.space/bakinunulogapa7m1zn.pdfIn PDF document text
- https://cdn.sqhk.co/kegufamop/3jiOjjT/live_portrait_maker_guys_apk_mod.pdfIn PDF document text
- http://kihepc.xyz/nisufiwotujenap4m2u6.pdfIn PDF document text
- https://cdn.sqhk.co/nodepitow/yjgS1nf/lock_screen_osx_shortcut.pdfIn PDF document text
- https://cdn.sqhk.co/wifopuzuxiba/ije5jeM/kuxobubigorijupo.pdfIn PDF document text
- http://zokoxakabu.medianewsonline.com/crowding_definition.pdfIn PDF document text
- http://lonemap.medianewsonline.com/practical_medical_microbiology.pdfIn PDF document text
- https://cdn.sqhk.co/dabigewom/Xfhfggl/gmod_prop_hunt_change_player_model.pdfIn PDF document text
- http://slmit.space/58349436718rivl.pdfIn PDF document text
- http://ridaxaki.mywebcommunity.org/surya_arghya_mantra.pdfIn PDF document text
- http://kuxni.su/2238408425ca1qn.pdfIn PDF document text
- https://cdn.sqhk.co/wukiratuxazo/uhfpIhc/adobe_indesign_template_catalog.pdfIn PDF document text
- https://cdn.sqhk.co/libuzewis/D0hfIid/off_road_rally_7_unlimited_money.pdfIn PDF document text
- http://koxelovanalimu.getenjoyment.net/vehicle_inspection_report_form.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://0f8fedcd-12c0-4678-86f8-e2bff7269121.filesusr.com/ugd/70e7d4_9e4e9c2f6b5c4798be5f2231f87e207f.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/fuzafuzeruwit/app_lock_apk_online.pdfIn PDF document text
- https://s3.amazonaws.com/buwosevax/71068115808.pdfIn PDF document text
- https://9a4b5e96-23fe-4021-9525-787506808755.filesusr.com/ugd/b3318b_44d149adeb384b9d8e5ad3b2fde2acb7.pdf?index=trueIn PDF document text
- https://7f58a6d3-5723-489e-a2bd-17fd91e1ddd5.filesusr.com/ugd/655495_07fcca12ab004560959676cd847f77e6.pdf?index=trueIn PDF document text
- https://ce83042b-5faf-46b5-bcbb-9b4d05ec7d33.filesusr.com/ugd/a31856_4c57b080d4af4a88998c0cb5d729babe.pdf?index=trueIn PDF document text
- http://nowageg.onlinewebshop.net/les_analyses_de_sang.pdfIn PDF document text
- https://s3.amazonaws.com/legipalofi/29976087881.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ed67.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED67 | 5576 bytes |
SHA-256: bb96477d154a5f4cce05ef80a24ab77261bcceb88b889bd186dc636cce197f01 |
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font_01_sfnt_off00010008.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10008 | 11596 bytes |
SHA-256: a201daf29bf68136d14c2d6d11d4c41b9a3fd18d33a99678d79725665955337b |
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font_02_sfnt_off000125c8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x125C8 | 16164 bytes |
SHA-256: 726e433c7bbdf2a5a395708565affa97fb04a35428008954b5256cf6adea57e8 |
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