MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous external links, many pointing to SEO-optimized PDF documents, suggesting a link farm or phishing campaign. The presence of a redirector URL and ClamAV detection as 'Pdf.Phishing.Trojan' strongly indicates malicious intent. While no scripts were explicitly extracted, the PDF structure and heuristic firings point towards a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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=como+transformar+%25C3%25A1udio+em+texto+no+whatsapp PDF link annotation
- https://static.s123-cdn-static.com/uploads/4426407/normal_5feec4d76e9e0.pdfIn PDF document text
- https://duvinibekumexeg.weebly.com/uploads/1/3/4/6/134677329/povaxodawoviziralor.pdfIn PDF document text
- https://pugojowu.weebly.com/uploads/1/3/4/3/134334477/925a70390379ec.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4418199/normal_60110f32eb675.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4489245/normal_6002ed10a7c78.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4448542/normal_5fc858b34a0b2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4427528/normal_603bff71b91dc.pdfIn PDF document text
- https://lorazitir.weebly.com/uploads/1/3/4/3/134393639/gisovov.pdfIn PDF document text
- https://ritidajadufe.weebly.com/uploads/1/3/4/6/134622671/zugos-sutazatuzimal.pdfIn PDF document text
- https://tikuvafijosil.weebly.com/uploads/1/3/4/6/134685963/87b41e367d6.pdfIn PDF document text
- https://sadoxeliwuduw.weebly.com/uploads/1/3/4/0/134040540/78dc52b9.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4449602/normal_5ff92993371d1.pdfIn PDF document text
- https://lafupoboj.weebly.com/uploads/1/3/1/8/131857117/lewine.pdfIn PDF document text
- https://sotugipuzelaj.weebly.com/uploads/1/3/0/7/130738723/7300935.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4461485/normal_606e1feadf893.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4412900/normal_6058b915a78e2.pdfIn PDF document text
- https://rajivuwos.weebly.com/uploads/1/3/4/3/134398668/359201.pdfIn PDF document text
- https://lodarexuxune.weebly.com/uploads/1/3/4/3/134352809/6444289.pdfIn PDF document text
- https://poxofosu.weebly.com/uploads/1/3/4/3/134308827/sesakeboxug-febizovijogel-xofuvitufameza.pdfIn PDF document text
- https://zinikigi.weebly.com/uploads/1/3/1/4/131453967/josoruzi.pdfIn PDF document text
- https://toneditikam.weebly.com/uploads/1/3/4/6/134683764/12e1ceba3cbe5cb.pdfIn PDF document text
- https://wapavamo.weebly.com/uploads/1/3/1/6/131637186/9511324.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4422371/normal_606a89f096c16.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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_off0000f54f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF54F | 5548 bytes |
SHA-256: 1d378484b26e360168f834d9e6d75ef87da5044e59d5b4ec2f26075623a7f260 |
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font_01_sfnt_off0001078b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1078B | 12692 bytes |
SHA-256: 2f835ecb9ddbd1f3f5f620612458da45926b0169c7306611b8276dff4dfb8ee1 |
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