MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics as malicious, including a high-confidence ML classifier and ClamAV detection. It contains numerous links to external sites, many of which appear to be compromised WordPress installations or disposable hosting, suggesting a link farm designed to distribute malware. The presence of embedded URLs and the nature of the heuristics strongly indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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://philabc.ru/uplcv?utm_term=4d+parallax+wallpaper+pro+apk PDF link annotation
- http://fxlcd.com/upload/file/99091647215.pdfIn PDF document text
- http://keacg.com/upload/files/10199171957.pdfIn PDF document text
- http://3handseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/161370b7c0bca0---pelikodixonuwepo.pdfIn PDF document text
- https://dalilak1.com/userfiles/file/rarivowevovog.pdfIn PDF document text
- http://erdbau-rauch.at/38822943026.pdfIn PDF document text
- http://www.kzhep.in.ua/wp-content/plugins/super-forms/uploads/php/files/1g9pecdi354jit3arei95n27q4/bafomiwimebifol.pdfIn PDF document text
- http://fszhenjia.com/upfolder/e/files/20210910125747.pdfIn PDF document text
- http://letsbelegal.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/43931360272.pdfIn PDF document text
- https://www.mobytec.com.br/mobytec/wp-content/plugins/formcraft/file-upload/server/content/files/1612f69f485dd8---85193783833.pdfIn PDF document text
- https://rasathantrananotech.com/ckfinder/userfiles/files/xitex.pdfIn PDF document text
- http://ngocvietbungalow.com/upload/files/92593906657.pdfIn PDF document text
- http://saigonford3s.com/uploads/2021-09-11/images/files/87565168328.pdfIn PDF document text
- https://oreopay58.com/ckfinder/userfiles/files/kisufunemipunemigif.pdfIn PDF document text
- https://dhrc.in/userfiles/file/55673390644.pdfIn PDF document text
- http://www.aceitunasdelguadalhorce.es/ckfinder/userfiles/files/tudagujefotewutekirofijeg.pdfIn PDF document text
- https://www.unicodesystems.com/wp-content/plugins/super-forms/uploads/php/files/sjak0egv5c98uf8fth8ne8nk00/xusivagunenoxaduf.pdfIn PDF document text
- http://biosurfest.com/userfiles/files/70575208173.pdfIn PDF document text
- http://104.156.58.56/~web2inbox/wp-content/plugins/formcraft/file-upload/server/content/files/1612ee274da3cd---59542022794.pdfPDF link annotation
- http://speckrepeg.by/UserFiles/files/83606635074.pdfIn PDF document text
- https://snapstudios.ca/userfiles/file/puwizotisetobijiverinopu.pdfIn PDF document text
- http://la-roofers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/161315e2a33bc9---56640317154.pdfIn PDF document text
- http://vaness-sens.fr/ckfinder/userfiles/files/50444625930.pdfIn PDF document text
- https://soalmatematik.com/userfiles/file/69781408509.pdfIn PDF document text
- http://ourconn.com/userfiles/file/202109021241288165.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_off0000b65d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB65D | 17892 bytes |
SHA-256: 59dfd52f4f6065254e44ffbae4a59163fbe1d4a69e41ca790b33ab7ce228601f |
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font_01_sfnt_off0000e45c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE45C | 10184 bytes |
SHA-256: 165b4041f445be88483567dac20cf574a138d5203f16dfbb633a65455dd2ef2d |
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font_02_sfnt_off0000fb59.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB59 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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