MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. It uses an urgency-based lure. 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 0.9997
Heuristics 7
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://jumiwimov.ru/strik?utm_term=african+american+short+stories+for+high+school+pdf PDF link annotation
- https://cdn-cms.f-static.net/uploads/4380869/normal_604e77d95f422.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4379487/normal_603a14264f698.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4479707/normal_604b24feb5dbe.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413370/normal_604a015c27ddc.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4456989/normal_5fecf20ba67d3.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4489976/normal_60314fcf441cc.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4458628/normal_604d7af07cd54.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://8aefc570-8454-48c3-bb63-d4d1067b7ce0.filesusr.com/ugd/5c9621_f6a537c3d7ce46bb9220be9571ae4a5c.pdf?index=trueIn PDF document text
- https://cb0508fd-2a1f-4901-a161-a76823ee8e4f.filesusr.com/ugd/52013e_d9ff4d55c4ec489f97fe0e46d174fa18.pdf?index=trueIn PDF document text
- https://0a3c8164-ddd9-4522-8472-457ce31ece15.filesusr.com/ugd/d32f78_a2b454a6d5e84bf4b322dfdf2c1b5bec.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/ronenitevodo/whatsapp_plus_2019_atualizado_uptodown.pdfIn PDF document text
- https://s3.amazonaws.com/supefujoxopubu/titanic_2_movie_free.pdfIn PDF document text
- https://53860ffb-5975-4088-b838-5c82367c2827.filesusr.com/ugd/0d2908_91d4a03f5f2c4a2483b1ee13e581af50.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/vobuturinivi/free_sheet_music_i_ll_fly_away.pdfIn PDF document text
- https://7605d98d-8b17-4a41-9383-f5c8d5af9bcc.filesusr.com/ugd/2bed4c_d769ff890c634e52b6f84a3dd8405f90.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/legenapi/ibm_jcl_interview_questions_and_answers.pdfIn PDF document text
- https://s3.amazonaws.com/gapuruxumeg/rolapikeromizari.pdfIn PDF document text
- https://368051e9-4199-40ea-b9a2-dc6e6f83cb3b.filesusr.com/ugd/6260fe_a9272135f5294371922fab956fa4e4fc.pdf?index=trueIn PDF document text
- https://4adff18d-dc39-4349-be2c-eeb12737f1cb.filesusr.com/ugd/9117e0_ff86a28cda584fc69e2c2e488ee8e9b6.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/dekogamik/chloroform_spray_use_karne_ka_tarika.pdfIn PDF document text
- https://s3.amazonaws.com/nufidibodudulad/deputy_prime_minister_debate_speech_template.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_off00012a7f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A7F | 5556 bytes |
SHA-256: 8ac20a5a473a69c9cec1fcf744d36d698542edc02f25aea94c390fa42dd09c41 |
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font_01_sfnt_off00013d3c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13D3C | 11404 bytes |
SHA-256: 920032c7b105a926173c76aa56876ad90663a4933620d4f0a3972ab39b7b45c7 |
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