MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, many pointing to disposable hosting, indicating a link farm or phishing operation. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URIs are indicative of a spearphishing attachment designed to redirect users to malicious sites.
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://kuzutuzo.ru/strik?utm_term=does+corn+on+the+cob+have+a+lot+of+calories PDF link annotation
- https://cdn.sqhk.co/rasepotobami/agtiqQT/pemexiveseb.pdfIn PDF document text
- https://zepiwifolu.weebly.com/uploads/1/3/5/9/135965208/fuxigekegi.pdfIn PDF document text
- http://jonotijero.medianewsonline.com/sennheiser_rs_175_wireless_headphones_reviews.pdfIn PDF document text
- https://cdn.sqhk.co/rabovafom/vjeAjeU/home_based_assembly_jobs_uk.pdfIn PDF document text
- http://vimobewawulipiz.mypressonline.com/hampton_bay_ceiling_fan_remote_with_dimmer.pdfIn PDF document text
- https://xutativapejan.weebly.com/uploads/1/3/4/5/134521393/sexejulovo.pdfIn PDF document text
- http://tapopapebesawu.getenjoyment.net/is_attention_deficit_disorder_covered_under_the_american_with_disabilities_act.pdfIn PDF document text
- https://cdn.sqhk.co/kikepedu/ge7PGje/wifobetitedo.pdfIn PDF document text
- https://benipotuwazel.weebly.com/uploads/1/3/4/4/134445242/ec59e.pdfIn PDF document text
- http://wumewil.sportsontheweb.net/welizoromi.pdfIn PDF document text
- https://putesoborufo.weebly.com/uploads/1/3/0/8/130814126/gelatelopovibo.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/29ebdb35-c05b-46e3-ac48-559273ba84d7/fastest_dd-wrt_router_2020.pdfIn PDF document text
- https://a529afa0-707c-494d-9cee-e9df2360aa12.filesusr.com/ugd/a6e48a_3f70e2ccbee7455badbb744e209b7ca9.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/707d5803-e059-46b6-891e-270d236a53b0/what_is_the_etiquette_for_wedding_thank_you_cards.pdfIn PDF document text
- https://00c0516a-c822-4344-a779-6f74e039753d.filesusr.com/ugd/9e41f0_fd201b1d3d854c03ae7378c865c843c7.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/e1b3e83e-45d5-4aa7-a203-4b1ffcb68558/zumulixigu.pdfIn PDF document text
- http://bugenerefajujus.atwebpages.com/1564767455.pdfIn PDF document text
- https://07d68bf2-0661-47e2-9ffe-eae068a071af.filesusr.com/ugd/fef806_d9690ecb38174a4fb604b0dee93031d6.pdf?index=trueIn PDF document text
- https://f27bca7f-571c-471d-9e77-92385e6dfcd0.filesusr.com/ugd/9a0fa1_af2671aa2e1949ed9d874d1878f9abde.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/239dc75d-8cca-41c5-8103-76e6f3b6b449/24402232046.pdfIn PDF document text
- https://b2d1eea7-aef5-47fc-962c-88b5513ecafc.filesusr.com/ugd/3a57bc_ec3a741ffa7f41e19536ae59f8672df1.pdf?index=trueIn PDF document text
- https://1ee34b3e-bfcb-4e25-b227-79ffd44eef10.filesusr.com/ugd/9d5096_b55be4ba684f45ad841c60b94f899ecb.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_off0000e5ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5CA | 5168 bytes |
SHA-256: a7d48e4325f4a823e137795e14386a9292a22f191fc95b67d2262d18fea3d68d |
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font_01_sfnt_off0000f76a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF76A | 10596 bytes |
SHA-256: 9e071e6ff9c70fff13820ce4e53462a2ee583def86a96d3dd4709e105789a87e |
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