MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple external URIs, with one specifically identified as a link farm on disposable hosting, suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URLs point towards a common tactic of redirecting users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://golowaki.ru/123?utm_term=aua+prostate+cancer+screening+guidelines PDF link annotation
- http://nadahul.ru/80275047716b8ses.pdfIn PDF document text
- http://espacecmb.xyz/analysis_of_categorical_data_with_r_bilderatdrm.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4422908/normal_5fed2f8c3157c.pdfIn PDF document text
- http://ru-dev.xyz/4224199465936fci.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4382772/normal_5fe94865b01eb.pdfIn PDF document text
- http://naturalik.fun/puxovifirerafw94u.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4464527/normal_5fdf64f1be566.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4486748/normal_6043601271ae4.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4381105/normal_6049c411e75c6.pdfIn PDF document text
- http://decideyouself.fun/zolerudacheoa.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/e7859dcd-75cb-46c3-a417-94d6d22198f8/santo_rosario_catolico_con_letanias.pdfIn PDF document text
- https://s3.amazonaws.com/kewakuko/ledesixekixup.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a79a5a41-2722-467e-b6f1-1e0c1d0cf362/preposition_quiz_5th_grade.pdfIn PDF document text
- https://s3.amazonaws.com/nunakixuma/vonalutudukukajuzajivi.pdfIn PDF document text
- https://6c036dbd-b327-4678-b778-de8a2ee7bb50.filesusr.com/ugd/ed64d2_3803eae3f6e845fb9f6b638b6542a0cb.pdf?index=trueIn PDF document text
- https://737c154f-ca75-4484-807d-9d5c19d76377.filesusr.com/ugd/7e84b7_aa5d4a669bdc4c85b6a0dd3cc83731b7.pdf?index=trueIn PDF document text
- https://e942959e-95af-4115-ab05-a6e38533eaad.filesusr.com/ugd/66f7a0_d4ed838936ab4eedb1c6061d20151177.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/zepifudoxapo/boomerang_iii_looper_manual.pdfIn PDF document text
- https://f18b8dc1-3ce9-44bd-8712-01435d039869.filesusr.com/ugd/b97cba_f62cd23232504d8f8f24baae1163d283.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/babetafaperaxov/nothing_else_matters_tabs_easy_version.pdfIn PDF document text
- https://d3826037-6016-486c-99e9-dc41bc666644.filesusr.com/ugd/b81754_3bc65bd5fbe1412c90288f9782dacc0f.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/e3ccbeb9-9670-4269-9093-4f908610f754/19924624427.pdfIn PDF document text
- https://s3.amazonaws.com/retobifulipo/kreisler_tambourin_chinois_sheet_music.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6f34ecff-3612-4611-a42a-091d847ae1c3/what_is_a_wake_when_someone_dies.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_off000204e0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x204E0 | 5232 bytes |
SHA-256: 284d57fc10713ef54ccfbdd6a0e2de90e129ea322e400a9ef492fc3e78dbaa7c |
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font_01_sfnt_off000216b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x216B9 | 13528 bytes |
SHA-256: 5243156c74ae6195bbd62a9ad10cd5bcc2311ebb0546055cdfb16e0840e3cb52 |
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