MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The ML classifier and ClamAV detection strongly indicate this PDF is malicious. It contains numerous links pointing to compromised websites, suggesting a phishing or malware distribution scheme. The PDF is identified as a link farm on disposable hosting, further supporting its malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://orkhaconstruction.com/wp-content/plugins/super-forms/uploads/php/files/ikuv4kd56qpappkbhndd5v01fo/4817475923.pdf In PDF document text
- http://drentmedischadvies.nl/uploads/files/52766130366.pdfIn PDF document text
- http://paletydozahrady.cz/ckfinder/userfiles/files/vedosasiwabeguxupod.pdfIn PDF document text
- http://nhasachnguyenvancu.com/Images_upload/files/36007156967.pdfIn PDF document text
- https://onderdurdu.com/upload/ckfinder/files/56553849428.pdfIn PDF document text
- https://www.elementstraining.co.uk/wp-content/plugins/super-forms/uploads/php/files/gnictitddtbiknhbnpk50l00er/55292141742.pdfIn PDF document text
- https://firesystem.ro/imagini_ws/68239300411.pdfIn PDF document text
- http://podarox.ru/public/files/21766161771.pdfIn PDF document text
- https://pirkitpadangas.lt/ckfinder/userfiles/files/vupiwimubulokebagumi.pdfIn PDF document text
- https://abss.pt/userfiles/file/toxoxu.pdfIn PDF document text
- https://ochronaskory.pl/pliki_user/File/tebonujirunapivirifatut.pdfIn PDF document text
- https://actor-conseil.com/files/file/jevelokolisezepujoxif.pdfIn PDF document text
- https://cryptoshift.be/anaeter_capital/siteadmin/userfiles/files/dofabirimivuru.pdfIn PDF document text
- http://cissi.it/userfiles/files/81392495977.pdfIn PDF document text
- https://hunglivet.com/uploads/files/202109060348348514.pdfIn PDF document text
- https://kaisar168.com/contents/files/gagufotewuvakovita.pdfIn PDF document text
- http://geoplan.su/userfiles/file/33049431544.pdfIn PDF document text
- http://getawaynewzealand.co.nz/wp-content/plugins/formcraft/file-upload/server/content/files/1613e474f4a317---34293019816.pdfIn PDF document text
- http://usaoxin.com/userfiles/2021-9/file/fesubabafopowo.pdfIn PDF document text
- https://takarasushimn.com/userfiles/files/71933621721.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=target+sdk+29PDF 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_off0000d7d9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7D9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000efeb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFEB | 18416 bytes |
SHA-256: a637014bdc19868ebfb4b8638a6460253c06f583d72a44409f28534651caad48 |
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font_02_sfnt_off0001209d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1209D | 10404 bytes |
SHA-256: f2ef15c25ef66829918a9a09cd69586d9df802cf29aeac840944406d623c7f05 |
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