MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs that form a link farm, a common technique for distributing phishing lures or redirecting users to malicious sites. The ML classifier and ClamAV detection strongly indicate malicious intent, with the PDF being identified as a phishing trojan. The presence of external URI heuristics and link farm indicators further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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://crewmak.ru/uplcv?utm_term=redmi+note+9+2021+price+in+bangladesh PDF link annotation
- https://willes-gb.com/uploads/files/202109080552538920.pdfIn PDF document text
- https://baigiangtoanhoc.com/upload/files/17382790841.pdfIn PDF document text
- http://leebyunghun.kr/new/upload/board/files/lunenubaxepisediratixoru.pdfIn PDF document text
- http://namuvaldymas.lt/userfiles/file/rekogepitub.pdfIn PDF document text
- https://cmottaviproductive.it/uploads/file/1797734798.pdfIn PDF document text
- http://beastyenergy.com/userfiles/file/30830441040.pdfIn PDF document text
- http://stin-verdon.fr/assets/Image/files/nitilobada.pdfIn PDF document text
- http://innova-perila.ru/upload/files/dubukevegixenulefik.pdfIn PDF document text
- https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/161319260eded3.pdfIn PDF document text
- https://www.mnogotrop.com/ckfinder/userfiles/files/laxopewo.pdfIn PDF document text
- https://howardsteeves.com/wp-content/plugins/super-forms/uploads/php/files/a7fba06e8a2f217140b85a0f3f917e7b/67018878932.pdfIn PDF document text
- https://landtop.com/filespath/files/20210912185251.pdfIn PDF document text
- https://yenicekentkaplicasi.com/userfiles/file/giboxud.pdfIn PDF document text
- https://5703n1n6999-6a55.com/contents/files/92086049631.pdfIn PDF document text
- http://drxzhang.com/userfiles/file/gokonumipag.pdfIn PDF document text
- http://ptaki.info/imgekoprojekty/files/239532164.pdfIn PDF document text
- https://stradatextiles.com/upload/ckfinder/files/loravanidusukirivekaga.pdfIn PDF document text
- http://jplus-ag.com/upload/files/BodyFile__612FED99796AA.pdfIn PDF document text
- https://nmcs.ca/userfiles/files/42047655258.pdfIn PDF document text
- http://kmjmt.com/news/upload/file/2109140910103151251nrete.pdfIn PDF document text
- https://www.alertgy.com/wp-content/plugins/super-forms/uploads/php/files/6e8fcd53a3aad0eb55e935f0f284f039/bigubuzogabibiga.pdfIn PDF document text
- https://pikhospital.com/ck_uploads/uploads/files/78315590467.pdfIn PDF document text
- https://www.revistadefiesta.com/wp-content/plugins/formcraft/file-upload/server/content/files/161398c4aa1cf4---29499186383.pdfIn PDF document text
- http://songhakbbq.com/uploads/files/pikonudewimowudigipojewul.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c7d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC7D6 | 11608 bytes |
SHA-256: b26a97367d33acf48d9b2469303b49b3d87da489821ccc1d331cd14bdf60328e |
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font_01_sfnt_off0000e2df.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2DF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000faf1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAF1 | 20580 bytes |
SHA-256: 1a99051367011480189c8fe6a2262dc9721794cefd9a3090eaefd39963656fb6 |
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