MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan payload. It contains numerous embedded URLs, many of which point to compromised CMS upload directories, suggesting a tactic to distribute further malicious content or phish for credentials. The presence of a link farm on disposable hosting further supports a malicious intent to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9937
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://khachsanmyngoc.com/upload/files/komapivapopivaver.pdf In PDF document text
- http://ctcinsulator.com/uploads/file/jijafilotilitarezesusanal.pdfIn PDF document text
- http://gsemilia.it/userfiles/files/56779017139.pdfIn PDF document text
- http://www.orarestauratorisaf.it/wp-content/plugins/formcraft/file-upload/server/content/files/16149658049143---zuzapovomowopumineliviz.pdfIn PDF document text
- https://hippodrome-compiegne.fr/www/uploads/file/noxikiwukebatixadine.pdfIn PDF document text
- https://spheresignal.com/app/webroot/userfiles/files/44353382562.pdfIn PDF document text
- https://hfbee.tw/upload/ckfinder_temp/files/20210916005413.pdfIn PDF document text
- http://phongthuyphatloc.com/luutru/files/xidusovita.pdfIn PDF document text
- https://marwaservicecenter.com/nbloom/fckuploads/file/80447273125.pdfIn PDF document text
- https://sg-design.top/wp-content/plugins/super-forms/uploads/php/files/e38b70d1a23ebdd01819e91ca3e10b52/41175246447.pdfIn PDF document text
- https://valstybestarnyba.com/upckfinder/files/54830527015.pdfIn PDF document text
- http://ixtvs.de/_upload_bilder/_filemanager/file/82478146422.pdfIn PDF document text
- http://kencert.vn/uploads/image/files/25899599834.pdfIn PDF document text
- http://profisystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1612f130ff092a---jitopudonoxawi.pdfIn PDF document text
- http://precisao.org/files/files/41301989749.pdfIn PDF document text
- https://eirai.org/editor/ckfinder/userfiles/files/77030074324.pdfIn PDF document text
- https://rentcar888.com/uploads/files/202109012354417221.pdfIn PDF document text
- https://dacinsara.ro/fckfiles/file/ganulevavufunekejepaxama.pdfIn PDF document text
- http://th-hl.com///upload/files/suvub.pdfIn PDF document text
- http://bmcnx.com/userfiles/file/zusosufutexe.pdfIn PDF document text
- https://www.crossfitparamaribo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614aff8684f64---modevetoxelusavo.pdfIn PDF document text
- http://kukubara.com/zdjecia/file/puxunetaxomok.pdfIn PDF document text
- http://exactblue.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136c07e3dbb5---89273406321.pdfIn PDF document text
- http://baikalspring.ru/ckfinder/userfiles/files/89266158577.pdfIn PDF document text
- http://lobi.md/userfiles/file/74941313193.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=best+android+app+for+watching+live+tvPDF 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_off0001048f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1048F | 18056 bytes |
SHA-256: e6b9453f3a60103b7067635130b2f9490a87b26ab050677861628a55bae77512 |
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font_01_sfnt_off00013326.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13326 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00014b3d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14B3D | 11104 bytes |
SHA-256: 2cbf44fc4ff5ff29bb286eaa55627901058221b1942210a7babfcba463e6df55 |
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