MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a mass external link farm, with many URLs pointing to disposable hosting. The heuristic PDF_SEO_LINK_FARM and PDF_SEO_DISPOSABLE_LINK_FARM indicate a deliberate attempt to create a network of links, likely for malicious redirection. ClamAV detection and ML classification further support its malicious nature, identifying it as Pdf.Phishing.Trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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/123?utm_term=bukunmi+oluwashina+soundtrack PDF link annotation
- https://wepejusekubikur.weebly.com/uploads/1/3/4/4/134441987/josebipabejewosaguz.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4402717/normal_604ca6bb7152b.pdfIn PDF document text
- https://static.s123-cdn-static-d.com/uploads/4459929/normal_60b14b8e61b2b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4427799/normal_604066d6db0fa.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4370746/normal_604388d0adb2d.pdfIn PDF document text
- https://static.s123-cdn-static-d.com/uploads/4391634/normal_60b208d289c70.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4480876/normal_5fdea6b220a31.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4465396/normal_5ffc13c8daa36.pdfIn PDF document text
- https://neposetami.weebly.com/uploads/1/3/4/6/134691268/sirerifapuxojawimit.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4406497/normal_6007e15fccb3a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4382197/normal_6023f6f2b421e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4383146/normal_601107ea019ef.pdfIn PDF document text
- https://maxafusisiwesu.weebly.com/uploads/1/3/4/6/134688878/wenim.pdfIn PDF document text
- https://sabexinutix.weebly.com/uploads/1/3/0/7/130740027/komepadegito.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4481156/normal_5ff5e89734db2.pdfIn PDF document text
- https://vogovolakufa.weebly.com/uploads/1/3/4/8/134874318/358700.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4383800/normal_603ee62b00305.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4367617/normal_5ff941b7a4ccf.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/228bc36e-df82-4e92-a93b-26a2be93b204/how_to_find_angle_in_parallel_lines.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/62561f70-09a5-484e-aa06-2e43b82becb9/have_yourself_a_merry_little_christmas_piano_sheet_music_free_download.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/72ef1236-67c9-47c0-ad0e-6516c4c740bf/jasobagowaruja.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/59bd2cbf-a607-43bc-8a0f-ca4ba02b3cda/vazonerozolitewulazemivat.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_off0000e768.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE768 | 5384 bytes |
SHA-256: ddcbb9e28b7ace7083184c94451c34eca5a15ae84dd39372a082e81c37a0e2bf |
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font_01_sfnt_off0000f9a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9A0 | 11316 bytes |
SHA-256: 686eebdec8c6af5a45f8c437d541ee30e64597ab369d6eef55487ef68179f5f8 |
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