MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains a large number of external links, many of which point to compromised CMS upload directories or disposable hosting domains. This behavior is characteristic of a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://toyotarent.tw/FileData/ckfinder/files/20210623_75A70F9EE03E0C69.pdf In PDF document text
- https://www.ptlittleflower.org/wp-content/plugins/super-forms/uploads/php/files/ct8trjfj9edbliubmh90kc3duc/fujetegemiv.pdfIn PDF document text
- https://www.amiunaorchestra.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608d61103c341---ruvigewu.pdfIn PDF document text
- https://heritagelogs.com/wp-content/plugins/super-forms/uploads/php/files/e2rjj2uvheigjb8g54a70lbm62/rovufafezepu.pdfIn PDF document text
- http://panda-es.tokyo/yamituki-n/uploads/files/4859542680.pdfIn PDF document text
- https://canadiancontractorservices.com/wp-content/plugins/super-forms/uploads/php/files/298h6l5pjqpbdfeu0i2v8fhbq6/93331800617.pdfIn PDF document text
- https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6e61a0b5c2---28566123042.pdfIn PDF document text
- http://westernstudioservice.com/admin/userfiles/file/bimij.pdfIn PDF document text
- http://avsa.org/sites/default/files/images/files/48951270353.pdfIn PDF document text
- https://tirthmobile.com/wp-content/plugins/super-forms/uploads/php/files/d3aeb74vgi6bnj49cfmc7m75u7/65625353482.pdfIn PDF document text
- http://111-orte.de/testarea/cwsCMSlight/media/files/bigixomevufasopuwemetaku.pdfIn PDF document text
- https://audit-advisers.com/userfiles/file/28337580246.pdfIn PDF document text
- https://tirthmobile.com/wp-content/plugins/super-forms/uploads/php/files/d3vr902iff5ano2plkmsav5e1b/1330820298.pdfIn PDF document text
- https://aimhc.com/userfiles/file/mesulorugurum.pdfIn PDF document text
- https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ca80de3255f---11469018204.pdfIn PDF document text
- https://bloomland.com/sites/bloomland.com/files/kuvipevudanulozape.pdfIn PDF document text
- http://valkexclusief.reviews/app/webroot/files/userfiles/files/38834923349.pdfIn PDF document text
- https://www.nobleorthodontic.com/wp-content/plugins/super-forms/uploads/php/files/f00c97886c6935a159c36ffcb6cbb4bc/xibowabe.pdfIn PDF document text
- http://speaklifeiamgreatness.com/files/files/gakunotixurupiwiw.pdfIn PDF document text
- http://sumtinathholidays.com/admin/uploadfiles/file/74521856587.pdfIn PDF document text
- http://dominoliberec.eu/images/file/files/xutezonupipoxa.pdfIn PDF document text
- https://arte-salon.ru/upload_picture/sitotijimetakoxibusovaliw.pdfIn PDF document text
- https://pepinieramontana.ro/ckfinder/userfiles/files/nerotinavixuvadesubebitan.pdfIn PDF document text
- https://pt2-turbo-j3t.com/contents//files/vodedokixapasidimin.pdfIn PDF document text
- https://dptech.vn/uploads/files/65730441315.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=come+on+come+on+the+radio+onPDF 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_off00010374.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10374 | 18116 bytes |
SHA-256: d5d8757e8fe43a7f9b721400a2b7d5d6eaa455c028e4ef638706c78e87ee1af3 |
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font_01_sfnt_off00013252.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13252 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00014a69.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14A69 | 10452 bytes |
SHA-256: e0eb99f697edb02663c23edbbefb236c871e539e49c6900acd3d7d0e4dd1569c |
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