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 0.9996
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/strik?utm_term=virtual+girl+hd+desktop+windows+7 PDF link annotation
- http://matizaw.mywebcommunity.org/78770861853.pdfIn PDF document text
- http://fajasated.mywebcommunity.org/booker_prize_winner_books.pdfIn PDF document text
- http://bejisosubonito.sportsontheweb.net/59566025093.pdfIn PDF document text
- http://nadefememidep.medianewsonline.com/revuxe.pdfIn PDF document text
- http://zoxodur.sportsontheweb.net/abc_matching.pdfIn PDF document text
- http://befujukipepejem.mygamesonline.org/introduccion_a_la_robotica_para_nios.pdfIn PDF document text
- http://gimatadokij.mygamesonline.org/vascular_and_nonvascular_plants.pdfIn PDF document text
- http://pozijuza.scienceontheweb.net/rabuxugenefefe.pdfIn PDF document text
- http://poruzotosiku.getenjoyment.net/printable_bathroom_passes_for_high_school_students.pdfIn PDF document text
- http://xawegap.mywebcommunity.org/18077897045.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/f3197ac4-c39f-4327-ab37-9ecd6cac400a/how_much_does_enhanced_drivers_license_cost.pdfIn PDF document text
- http://xakazasaravi.onlinewebshop.net/57677496797.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0f3e3321-cb6a-461c-a646-92c4759b5b71/kuvuz.pdfIn PDF document text
- https://s3.amazonaws.com/vibuvomomuv/auld_lang_syne_sheet_music_musescore.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c0a12fd8-abc1-4221-9889-e7cb7c79c1b5/zufilezifepigaxoju.pdfIn PDF document text
- https://951e66c5-660f-4748-bfcc-a6cc0831133d.filesusr.com/ugd/4967bb_119010ed7dbf4006b6ee212651d2c6ef.pdf?index=trueIn PDF document text
- https://a540aa65-2eb1-4ac3-86d0-bf6a54daac96.filesusr.com/ugd/2d797c_e3be2039550c43e6926aad08a6b6d676.pdf?index=trueIn PDF document text
- https://87c8fc71-818b-4167-bf0d-2ac3bc49ffd1.filesusr.com/ugd/f9d4cd_7356c04b574146c690d45b444057faa2.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/ginutu/beautiful_disaster_tattoo_ambigram.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cbf4eb2e-e032-4842-9381-4791cbfacd24/75640386285.pdfIn PDF document text
- http://zejusamipokera.myartsonline.com/human_trafficking_prevention_methods.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9fe511be-93c3-4274-9687-08263b9a4f4f/56005275728.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ec66.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC66 | 5420 bytes |
SHA-256: c19379d67b64fc31d40eb7d59fbbc9b6648ac69ad5cb44ce165c69de2ac89fa8 |
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font_01_sfnt_off0000fee6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEE6 | 11776 bytes |
SHA-256: 18e9917cb6cea5fbc6702ea329533544cd562557a31b13307bb68427605da213 |
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