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://jottigo.ru/123?utm_term=cd+label+template+word+2007 PDF link annotation
- https://cdn-cms.f-static.net/uploads/4456140/normal_603f06fd6b04c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4469370/normal_5fd2dd623c789.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4408712/normal_5fcb60696c40c.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/3dce45d5-ce9e-4be7-9e33-d54553818c2c/kisupulobadovan.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/120923be-ee41-4869-aec2-49e5f5595ad5/gipojipovugopogula.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0bc4a75f-9069-47fa-87b4-31002a84406a/what_are_the_essential_characteristics_of_assets.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4c9ab249-ecdd-4d57-a9e2-848d64067004/24296442079.pdfIn PDF document text
- https://8319d365-0190-44ee-b2f3-e76f6fd230eb.filesusr.com/ugd/112488_3bb499fd0d9e45de933a010f2fb4d093.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/wewiro/57257645282.pdfIn PDF document text
- https://6376acfe-5884-4251-b3d5-19a03c044549.filesusr.com/ugd/de3d83_2b70aaad2e234cad94c76fc11c68ba15.pdf?index=trueIn PDF document text
- https://c8a164a7-2549-4056-b209-d27d417f800b.filesusr.com/ugd/136d3d_6639ba5ef4874a3294a1b051382b6f91.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/tasufagijaremo/krk_rokit_5_g4_pair_set.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ef18a0ab-3d7e-4e40-b62b-f62e58748573/what_kind_of_transmission_fluid_does_a_2007_nissan_altima_take.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6278eee5-f14f-4e06-a051-ae485dcfb27b/majazapewawonirutatok.pdfIn PDF document text
- https://83d12552-0bc1-4415-b221-1da25caacb9b.filesusr.com/ugd/1e11d0_8301e650d9374647804d2ad2f348a26c.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/woxewiwupir/tofitiwe.pdfIn PDF document text
- https://cb47f074-0476-4434-b381-5672a365cab8.filesusr.com/ugd/c46c8a_5dcf246f27c8409aa3ec6f7e6029c9ba.pdf?index=trueIn PDF document text
- https://569e8712-2873-4b93-a654-ea71b6b809e3.filesusr.com/ugd/345929_8509e6346d8946f8997ea2e9d1d5bc22.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/e6656238-efe6-4205-914e-911572b82561/42150359746.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c5dcca69-dc72-4c43-8df9-5c4bc01d016c/najagizekuvujaxitomex.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0114cd4c-ed3a-4280-a3db-86a0d8752b5e/how_fast_does_a_yamaha_timberwolf_250_go.pdfIn PDF document text
- https://d12e84a0-9808-45da-82c6-613dfe540d1b.filesusr.com/ugd/dc8a8e_a3f29f1aa975441db133b9d96e98f87a.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_off0000e5cc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5CC | 5420 bytes |
SHA-256: 75b0f7dfefb06dc3e1ea773d7bb3df72f70e43cc92d94b1731f6af0fbf220164 |
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font_01_sfnt_off0000f82b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF82B | 10440 bytes |
SHA-256: 3ea733146b705e053d6a31fa44ba8835bcdcc38ddc980d8d8e8c5ddbe0084508 |
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