MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many of which point to compromised or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports this. Although no scripts were explicitly extracted, the nature of the embedded URLs and the heuristics suggest a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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 https://sarvodayasamaj.uk/upload/files/bavasumomowutoriku.pdf In PDF document text
- http://www.gesas.it/media/mailinglist/file/memulomepopugemalesis.pdfIn PDF document text
- https://happyfun.tw/uploads/files/202109090631583880.pdfIn PDF document text
- https://angkaganjil.com/contents/files/23881597923.pdfIn PDF document text
- http://miamiwars.pl/wp-content/plugins/super-forms/uploads/php/files/2bbb74d153e21ddc1282437da0ab97ed/fapapukiwajubiv.pdfIn PDF document text
- https://doanhnghiepvietnam.niengiamdoanhnghiep.vn/img_duhoc/files/wemakafakif.pdfIn PDF document text
- https://skopjemuzikon.pmgrecordings.com/ckfinder/userfiles/files/gikezobepaxi.pdfIn PDF document text
- https://www.hediyevideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131f5ceaf5a4---31287101101.pdfIn PDF document text
- https://editora-arara-azul.com.br/site/admin/ckfinder/userfiles/files/22257055394.pdfIn PDF document text
- http://www.rosabrockenhaus.ch/ckfinder/userfiles/files/10411455122.pdfIn PDF document text
- http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140689d6d104---12782671893.pdfIn PDF document text
- https://faktxeber.ru/resimler/files/jadigatufar.pdfIn PDF document text
- https://eurotig.ro/file/77697537128.pdfIn PDF document text
- http://grandwatergatehotel.com/upfile_hotel/files/vejirufapeme.pdfIn PDF document text
- http://teifsepahan.com/files/file/sorepolexumepudabusasawi.pdfIn PDF document text
- http://qamsar.org/userfiles/files/jilujufu.pdfIn PDF document text
- http://www.superior-inkjet.com/login/ckfinder/userfiles/files/97577373652.pdfIn PDF document text
- http://rogersdesignhouse.com/uploads/files/gepinedugumodew.pdfIn PDF document text
- https://chambres-a-la-ferme-plouzelambre.fr/userfiles/file/8999030609.pdfIn PDF document text
- http://emanuelarombiarchitetto.eu/userfiles/files/27565581308.pdfIn PDF document text
- http://atlas-consulting.ro/fckeditor/fisiere/file/kesuwuganewobuza.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=harry+potter+graphic+novel+pdfPDF 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_off0000d5d8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD5D8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000edea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDEA | 17948 bytes |
SHA-256: 20849a88e8d05adbefa30b0732d57ea270f6be1efd4acc7f6f4b01001b42d195 |
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font_02_sfnt_off00011be1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BE1 | 10900 bytes |
SHA-256: f3b87440d43d85a440866ee63ff0b3629f5ef74e109ba39db1f2f2c3e835675c |
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