MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised WordPress upload directories and disposable hosting domains, indicating a link farm designed to redirect users to malicious content. The ClamAV detection and ML classifier strongly suggest malicious intent, likely phishing or malware distribution through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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 http://saludocupacionalpso.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/160e8b14b2b90a---kenalipux.pdf In PDF document text
- http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/1607ea42940b00---23337861046.pdfIn PDF document text
- https://www.dekleinewerf.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609ddf1027d00---91734013611.pdfIn PDF document text
- https://serpavenger.com/ckfinder/userfiles/files/witosejok.pdfIn PDF document text
- https://coloreverything.love/wp-content/plugins/super-forms/uploads/php/files/6081bc5aa5e463accb531ff873f0e5b4/98359487525.pdfIn PDF document text
- http://klick-tipp.at/ckfinder/userfiles/publics/files/41592451967.pdfIn PDF document text
- https://cradlegold.com/wp-content/plugins/super-forms/uploads/php/files/1tkcg0jeg6u9427icoqcn5j5q0/negino.pdfIn PDF document text
- http://www.rolstoellift.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607849bf56080---wenaked.pdfIn PDF document text
- http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160c21203155fe---77903280851.pdfIn PDF document text
- http://anhuizhkj.com/upload_fck/file/2021-7-1/20210701152640203008.pdfIn PDF document text
- http://noospc.ru/SITE/files/editor/file/91810080374.pdfIn PDF document text
- http://quatang3t.com/upload/files/nixivinu.pdfIn PDF document text
- https://towa-aaa.jp/userfiles/file/mizeravemanunusuki.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b84d4f93916---romusujipugunifozita.pdfIn PDF document text
- https://www.spoton.pet/wp-content/plugins/super-forms/uploads/php/files/tkeoui9hecp1pcigt2u5voib64/73614082843.pdfIn PDF document text
- https://pacie.vn/web/uploads/files/raxenefegizuvatup.pdfIn PDF document text
- http://ubest.ru/images/file/65928992421.pdfIn PDF document text
- http://www.tramag.pl/upload/file/zixawitorogusag.pdfIn PDF document text
- http://srtprogetti.eu/userfiles/files/gasakagipixop.pdfIn PDF document text
- http://gaineyranchaz.com/userimages/64891916390.pdfIn PDF document text
- http://ophirtonhotel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16070bf1f047bd---18827992247.pdfIn PDF document text
- https://btegypt.com/file/nuwexewiladupola.pdfIn PDF document text
- http://electriccityusa.com/images/fck_uploads/file/49249316074.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=open+the+open+thePDF 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ea91.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA91 | 16192 bytes |
SHA-256: 97e3f73a58ccdd4784c9ae1678d9f90717e6b6d0c87c36bf93adb8865ef65ebd |
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font_01_sfnt_off00010019.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10019 | 17272 bytes |
SHA-256: 98a8503cad9e07ca921dc299aab1700c07b5f8b426c7595f20d820f266ba3836 |
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font_02_sfnt_off00012d12.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D12 | 9804 bytes |
SHA-256: 780d969de5e28d7de66e9192d2de886fafbfa8c22b09810640f9c46801fe50df |
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font_03_sfnt_off0001427f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1427F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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