MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
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 5
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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 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://mezovuduw.ru/123?utm_term=free+reading+worksheets+for+4th+graders PDF link annotation
- https://cdn-cms.f-static.net/uploads/4410217/normal_5fe81e6c1fadf.pdfIn PDF document text
- http://ravigimojamel.mypressonline.com/como_ler_hemograma_de_cachorro.pdfIn PDF document text
- http://libutulidux.medianewsonline.com/13_attributes_of_god_list.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4485822/normal_6030a5c0dd64a.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://05b56818-8b0b-4484-a411-4f1234233f1c.filesusr.com/ugd/e49726_df89dbe64c8144039e5ec77486077fb6.pdf?index=trueIn PDF document text
- https://36535336-4f9e-4c0a-b1ad-3385cb5d4299.filesusr.com/ugd/15ebe2_fba92eeb35694eb7b0b4358d61e1ed15.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/90b3b0a8-e6a4-48d4-bf80-991b038d7d77/lowetopumubo.pdfIn PDF document text
- https://s3.amazonaws.com/fukezavazuj/71336741543.pdfIn PDF document text
- http://zogoxuf.atwebpages.com/59036061752.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/808725bc-4b59-453f-b540-c33d210e7544/pl_sql_developer_jobs_in_canada.pdfIn PDF document text
- https://69a21580-3c80-4f81-8097-1ec0bc18215d.filesusr.com/ugd/bd7df1_ceb7bb4571db4fa39007e37fcef54e1f.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/82e8bfee-45de-443e-a789-590a065d40a8/debixeravukudidilot.pdfIn PDF document text
- https://332892e0-6a2b-40ad-946e-e7c92c61c867.filesusr.com/ugd/3e5d97_78c87caa9cc74d62940dac4bfe874987.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/ligole/how_to_make_a_simple_emp_jammer.pdfIn PDF document text
- https://5d3a3edc-1384-4eb0-a354-174dd54c13aa.filesusr.com/ugd/7f5dc5_dcfc5504ab1740308f3da5e92531145d.pdf?index=trueIn PDF document text
- https://e082b6be-64c0-45f6-a8ff-82b9c6f476f0.filesusr.com/ugd/1479de_5efe4131e7d6405abdbfcc15fd4fa39f.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/f14cbcb2-89a8-493a-811b-93cab2e0c97a/35583094422.pdfIn PDF document text
- http://niwurekatexo.atwebpages.com/gifurer.pdfIn PDF document text
- https://a5a8f6e1-24ae-425c-880d-6f4079e3c376.filesusr.com/ugd/035627_ba03149232854d38ab492817578b8b32.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/jejulurowev/faxuxawem.pdfIn PDF document text
- https://s3.amazonaws.com/vovuzize/tujub.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f83f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF83F | 5124 bytes |
SHA-256: bf037ef7dcad6a64d8edfb081cbcbd23209529bbfd3aba3bbb52aa8672c60345 |
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font_01_sfnt_off000109c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109C1 | 10816 bytes |
SHA-256: 849922508441fffba472c8c88dd07c7835c2fa7a9ad29ff3f32cd730811fca82 |
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font_02_sfnt_off00012e80.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E80 | 4324 bytes |
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
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