MALICIOUS
206
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. It uses a QR-code 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 0.9995
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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QR-code redirect lure medium SE_QR_LUREDocument instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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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://dugedepap.ru/strik?utm_term=challenging+3d+trigonometry+problems PDF link annotation
- https://xumizobizuzu.weebly.com/uploads/1/3/4/6/134688834/gididodujos_dujul_tiraj.pdfIn PDF document text
- https://lobubizewi.weebly.com/uploads/1/3/1/8/131856209/12d00de148.pdfIn PDF document text
- https://zetapowopes.weebly.com/uploads/1/3/0/8/130813904/33eddfc5572eb3.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4475565/normal_5fefa478b6382.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4421641/normal_60274590375e2.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4485450/normal_5fe2436915303.pdfIn PDF document text
- https://pimidunobesuxig.weebly.com/uploads/1/3/0/9/130970022/3851316.pdfIn PDF document text
- https://sodefabufu.weebly.com/uploads/1/3/4/4/134473286/rejaro.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4393893/normal_5fee8f092a88e.pdfIn PDF document text
- https://danisamotaroz.weebly.com/uploads/1/3/1/6/131606121/talosupupun_panevo_lomikedutalare.pdfIn PDF document text
- https://modofanapaf.weebly.com/uploads/1/3/4/6/134676621/nezubek.pdfIn PDF document text
- https://mafoguwof.weebly.com/uploads/1/3/1/4/131438304/7524582.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4417525/normal_600a64714d660.pdfIn PDF document text
- https://bujivopipagafo.weebly.com/uploads/1/3/5/3/135321681/fafutaxoz.pdfIn PDF document text
- https://kojaresojew.weebly.com/uploads/1/3/4/3/134312518/todup.pdfIn PDF document text
- https://fejenugid.weebly.com/uploads/1/3/4/0/134016750/tolusisoxen_wovumovekugakow_wubuleditek.pdfIn PDF document text
- https://tatosexu.weebly.com/uploads/1/3/0/9/130969313/9329106.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4480735/normal_6028ae527b95b.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/86241a69-ef1c-406a-884a-c3179c990c55/coleman_gas_furnace_blower_motor.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0e413887-e8e7-406f-ad98-d059af737cac/fuvedazusovunutal.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9db3a817-c279-4cd3-bd36-95894b8bb8bd/75555649766.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fd76237e-1c5a-4860-b606-02adade397e0/62878069957.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_off0000eb4a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB4A | 5684 bytes |
SHA-256: ed52da2c0a106c9977e3fba76e6a4b207aa353ddc159a8245dfff79fbf95a2d3 |
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font_01_sfnt_off0000fe63.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE63 | 3128 bytes |
SHA-256: 6d6c1314b1ddc68d0ea737f3eb9353b1b3728c862eaf918143cf1ef309c17e68 |
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font_02_sfnt_off00010b27.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B27 | 11588 bytes |
SHA-256: 42dedcaaf5d820364dcebdc3909734407c898818292a6d662f38774c65e61df3 |
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