MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, containing numerous external URLs, with one prominent URL being `https://catamma.ru/pbw?utm_term=convertisseur+chiffre+en+lettre+belgique`. The heuristic firings suggest the PDF is designed to host a large number of external links, potentially for SEO manipulation or to direct users to phishing sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 6
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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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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://catamma.ru/pbw?utm_term=convertisseur+chiffre+en+lettre+belgique PDF link annotation
- https://cdn-cms.f-static.net/uploads/4427501/normal_5fea34c1a6df1.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4451542/normal_5ffb3c4a5cfb7.pdfIn PDF document text
- https://vatunumorese.weebly.com/uploads/1/3/4/8/134866462/3410766.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4467027/normal_6051213a9c099.pdfIn PDF document text
- https://xinosete.weebly.com/uploads/1/3/0/9/130968926/fulam_negerakufunoju.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4416666/normal_5ff2e641bff84.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366337/normal_60215ca456c27.pdfIn PDF document text
- https://tomolipuxoris.weebly.com/uploads/1/3/4/7/134708775/malinegabegotoxejuda.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4390081/normal_604bb71864641.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366311/normal_601bbad6de160.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/14100090-f527-4336-b813-83f904894f00/wujatosagevuzovidogepube.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/016ea26d-d266-42bd-9eb1-a248d69508e2/49198384990.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a80a179e-0ea8-45ab-8311-a507027967c8/49588345117.pdfIn PDF document text
- http://jujirafamena.pbworks.com/f/dr_eggman_mean_bean_machine_online.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/425149f2-c617-4509-a8b9-aa72a46a8bb0/summary_of_ramayana_in_english.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d27e9a18-f4c0-4d2d-b3d2-7f353cc79f0e/anno_2205_credit_cheat.pdfIn PDF document text
- http://gabekujijud.pbworks.com/f/7170210762.pdfIn PDF document text
- http://kuperuxowix.pbworks.com/f/interpretation_of_direct_and_indirect_coombs_test.pdfIn PDF document text
- http://podimil.pbworks.com/f/free_software_to_retrieve_deleted_text_messages_android.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e563bbf8-a1e7-418a-9b73-5a06e437db86/83612285461.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f4ee4d28-375c-4d12-be74-64fc52f673ae/70800501942.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_off0000db7e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB7E | 5164 bytes |
SHA-256: bc05dabc74a6c45d0c622cec444e717d16ae9b1cbb5b93d49558f231048fe4bf |
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font_01_sfnt_off0000ed16.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED16 | 11596 bytes |
SHA-256: 48d629da2c0134b4e3a65469e7f2bba180f73d62c09003b3cac7620c75327be4 |
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