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-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://dafemum.ru/wix?keyword=yamaha+trumpet+mouthpiece+guide PDF link annotation
- https://punuvenow.weebly.com/uploads/1/3/4/4/134445800/f498172ff1c2.pdfIn PDF document text
- http://lemakomude.sportsontheweb.net/19942932496.pdfIn PDF document text
- http://boraguw.medianewsonline.com/what_is_the_old_scofield_study_bible.pdfIn PDF document text
- https://mutudibekakifu.weebly.com/uploads/1/3/1/3/131398274/9176902.pdfIn PDF document text
- http://nokunejojepeje.22web.org/fudaba.pdfIn PDF document text
- https://latitatuforuza.weebly.com/uploads/1/3/1/3/131398212/df85161ef8f33.pdfIn PDF document text
- https://futinubub.weebly.com/uploads/1/3/5/3/135328842/6e569.pdfIn PDF document text
- http://bufezipuduxev.mywebcommunity.org/davaxizajorunetanimovebi.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://xejawaji.myartsonline.com/barron_s_sat_29th_edition_download.pdfIn PDF document text
- https://979cd01f-16ea-4d2c-b189-234964c95597.filesusr.com/ugd/d4c4cf_31ab3b69369c44a0ba42d7991a2572a5.pdf?index=trueIn PDF document text
- http://tibitefibipawiz.rf.gd/11949706263.pdfIn PDF document text
- https://6f12065f-c45d-410c-b048-6ec23fb2b810.filesusr.com/ugd/02ccf7_c445ef235ca5495696355bab263f856b.pdf?index=trueIn PDF document text
- https://ba789de2-c385-43ee-b32d-a34c698d1993.filesusr.com/ugd/b7082a_95a9e13632774446b8390cc1dd434ca4.pdf?index=trueIn PDF document text
- https://e6b56e3c-1b88-4cfb-972d-ab1702b0a06e.filesusr.com/ugd/8c0e65_f87729d966f64ab48c8a9dcafa3beb5c.pdf?index=trueIn PDF document text
- https://77a48bbd-706a-45f8-a225-ac1cc02029d7.filesusr.com/ugd/3be48b_95b8ea6fdd534374a17f423f71671c66.pdf?index=trueIn PDF document text
- http://bidusibebawuz.onlinewebshop.net/microlife_blood_pressure_monitor_replacement_parts.pdfIn PDF document text
- https://ea7788ad-ef5a-48b5-911d-3ad522045378.filesusr.com/ugd/f3bfbb_c9a4c2ab3171484493acaecfcefe3952.pdf?index=trueIn PDF document text
- https://00c0516a-c822-4344-a779-6f74e039753d.filesusr.com/ugd/9e41f0_2d121853c713448ca3bab3a5b4da7b78.pdf?index=trueIn PDF document text
- https://8458b573-1d6d-478c-912c-b10a972f31df.filesusr.com/ugd/150112_c91f33eb7aec4f06891c78febb3befdf.pdf?index=trueIn PDF document text
- https://3b0fe5ff-7f86-489c-8138-fc984e51136c.filesusr.com/ugd/bfd78a_cd81a4db86d548c48ad81b30695fbb95.pdf?index=trueIn PDF document text
- https://2703069b-a6ff-4ff9-983c-db139a8d76ba.filesusr.com/ugd/8b61cf_3124d31cfbb14828a15b16696a6150a1.pdf?index=trueIn PDF document text
- https://fdb4f28e-c637-431f-967d-457feef73efb.filesusr.com/ugd/cf5aa9_6da10ba008f844a5992ebc51ab33db2f.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_off0000e80c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE80C | 5240 bytes |
SHA-256: fd66bec8bc9ff19eee870916266dd1507b0fa66da2d237efb86c99a0ac578a38 |
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font_01_sfnt_off0000f9b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9B2 | 10408 bytes |
SHA-256: 415bb6935de0d045beef0cfa3374dde389ab2b599c9854f4cd7f9d5f649763e2 |
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