MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, with many URLs pointing to potentially compromised websites or disposable hosting, suggesting a phishing or SEO manipulation scheme. The presence of numerous embedded URLs, some on compromised CMS uploads, strongly supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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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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 http://decaiyun.com/upload/file/210912133031142091iy3dzv90wngd.pdf In PDF document text
- https://hotelpancharatna.com/assets/userfiles/files/pepisalexusulerazomulunas.pdfIn PDF document text
- http://cdmvt.cz/sites/default/files/53680456810.pdfIn PDF document text
- http://rocincorporated.com/domain.com/images/dynamic_pages/file/18805844555.pdfIn PDF document text
- http://chi-kara.net/Upload/files/6296414706.pdfIn PDF document text
- http://vibrobreaker.com/files/files/dezolupasoguveroxu.pdfIn PDF document text
- https://dragonexpressml.com/userfiles/files/pavigagapumesi.pdfIn PDF document text
- http://zonazero.es/userfiles/file/gevobubuvopigotolofa.pdfIn PDF document text
- http://exactblue.com/wp-content/plugins/formcraft/file-upload/server/content/files/16149731ad4bf8---mezefexip.pdfIn PDF document text
- http://www.singchai.co.th/ckfinder/userfiles/files/xumizem.pdfIn PDF document text
- https://distriparkbotlek.nl/userfiles/files/88362480447.pdfIn PDF document text
- http://lacasedescaraibes.fr/file/67648471950.pdfIn PDF document text
- http://origo.ws/userfiles/file/170518736.pdfIn PDF document text
- https://bankubezpieczen.pl/userfiles/file/4714806755.pdfIn PDF document text
- http://paintingservicesonline.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1612faf9980e58---62669739880.pdfIn PDF document text
- http://jsdarvin.com/files/melodif.pdfIn PDF document text
- http://jd6618.com/jd6618/file/2021-9/file/LwpCms2021_09_24_17_55_48_7824.pdfIn PDF document text
- http://traiteurluc.com/userfiles/file/fobogasazibe.pdfIn PDF document text
- https://postelezmasivu-praha.cz/ckfinder/userfiles/files/bonexifamif.pdfIn PDF document text
- http://silver.jo/ckfinder/blanc/files/77416830321.pdfIn PDF document text
- https://dutchhaves.com/uploads/files/202109251852561656.pdfIn PDF document text
- https://www.andimoda.com/wp-content/plugins/super-forms/uploads/php/files/369777d35c5623329a2abfc2a8472912/gipasadubojoxorekokopozaf.pdfIn PDF document text
- https://guineaservicesproviders.com/gsp/files/batakoneluferedekejatuvuw.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=hum+tumhare+hain+sanam+full+movie+downloadPDF link annotation
- 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_off0000aff0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAFF0 | 10860 bytes |
SHA-256: 56399da01ca2563a9d05e143b3d0c3166b1143089464373afc7fda1725e552b6 |
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font_01_sfnt_off0000c8d1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC8D1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e0e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0E3 | 16352 bytes |
SHA-256: f89197468b8c2132e8bec54572dc960ec9c7ff08485c9a14659dcf8dde40351d |
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