MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous external links, a common tactic for link farms or phishing lures, as indicated by the PDF_SEO_LINK_FARM heuristic. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery. Although no scripts were explicitly extracted, the PDF structure and embedded links point towards an attempt to redirect the user to a malicious site.
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://zajinet.ru/strik?utm_term=10th+new+syllabus+social+science+book+volume+2 PDF link annotation
- https://cdn-cms.f-static.net/uploads/4459482/normal_604cf02e6cad8.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4409396/normal_603afbdfa9553.pdfIn PDF document text
- https://xetomulezaze.weebly.com/uploads/1/3/0/9/130969551/gufupopididulavolubu.pdfIn PDF document text
- https://dezekebewefe.weebly.com/uploads/1/3/4/7/134731304/nomipopozanusugan.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4392660/normal_5fff3f19e15c9.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4419204/normal_60037936b91e4.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4368976/normal_5fcc07cec3870.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4393776/normal_6031e8bbdedb3.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4384460/normal_605404e64b855.pdfIn PDF document text
- https://potuvomominoneb.weebly.com/uploads/1/3/2/6/132683031/8689975.pdfIn PDF document text
- https://tuzupenaxu.weebly.com/uploads/1/3/1/4/131454165/lopelukugafi.pdfIn PDF document text
- http://fedorahosted.org/lohitIn 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/ec9bf61e-0f50-4e96-b91e-17ab66a9fc1d/butokixulibu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/40a5dc38-f622-42e7-b13a-3ff7b89095ff/el_conde_lucanor_cuento_24_resumen.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/066ecc70-1067-42a7-b47d-56157b4fe616/how_to_make_hangouts_dialer_default.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1d3131e8-d140-478b-bf0d-be6fc7f70a7c/2347816678.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e191b9d1-f118-4f58-83b9-969fd2cdca0e/4703229798.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c6027e25-23ea-4dd7-8442-218b4fb21aec/medical_terminology_a_living_language_7th_edition_free_download.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e93eb81a-bd8e-47c4-a267-c959bdf37a88/ruletilapo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5a6038d1-2f4b-4dfe-aaff-80fc4c29c8fb/22940294610.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_003_off00010305.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x10305 | 20104 bytes |
SHA-256: b6d9a94962811d5fa274ca3e199423783a4fd08190035f0c51cc844367858516 |
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font_00_sfnt_off0000efe3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFE3 | 5632 bytes |
SHA-256: fab09c9948093011a2bd0a8fbe52ff32fb7d248fbfd6a01a410feec48852fd5d |
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font_02_sfnt_off00012e3e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E3E | 4440 bytes |
SHA-256: b57f53c110a6af6647ed8b6783812de649cdc515eccc74b633a0a780981d5a98 |
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font_03_sfnt_off00013a27.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13A27 | 11220 bytes |
SHA-256: c91b395b69ab50a4990fc628489ab40451e2d9efe343b7329765a11c1a9a8ff5 |
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