MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous external links, many pointing to potentially compromised or disposable hosting, suggesting a link farm or phishing lure. The presence of external URIs and a link farm heuristic points towards an attack pattern focused on redirecting users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://vigen12.com/userfiles/file/fulipavuwekidifakiv.pdf In PDF document text
- https://m-isc.com/userfiles/file/wimozoz.pdfIn PDF document text
- http://veraschwemmle.de/fckdata/file/togawadofavotiviwena.pdfIn PDF document text
- http://geofer.eu/userfiles/files/towiwalas.pdfIn PDF document text
- http://yuanjen.com/ckfinder/userfiles/files/zupafebepoganigapeno.pdfIn PDF document text
- https://pyccenter.com/images/Upload/file/99255758528.pdfIn PDF document text
- https://www.auto-ecole-acm.com/ckfinder/userfiles/files/bunido.pdfIn PDF document text
- http://gchs1969.com/clients/867877/File/sepoloreniri.pdfIn PDF document text
- http://www.thelawchamber.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086762d46bb4---60644835443.pdfIn PDF document text
- https://chefinhogourmet.com/wp-content/plugins/super-forms/uploads/php/files/e8f07ac28128c4705974e4f902968bde/54571573832.pdfIn PDF document text
- http://dreamwith.gni.kr/ckupload/files/30284669061.pdfIn PDF document text
- http://veszpremlizards.hu/_user/file/xifupebumevaxaresun.pdfIn PDF document text
- http://cocoal.com/uploads/file/94004274234.pdfIn PDF document text
- http://www.siposferenc.hu/html/25873017889.pdfIn PDF document text
- http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/16118525703297---33401458054.pdfIn PDF document text
- http://rafaelstore.ru/upload/files/632771610.pdfIn PDF document text
- https://haps.company/wp-content/plugins/super-forms/uploads/php/files/33i263i2b9f308kh4a1cosjvc2/8545048531.pdfIn PDF document text
- https://growlocals.com/wp-content/plugins/super-forms/uploads/php/files/42386a6e1b46c9b4503238fd537a8ddd/pijemesitoxo.pdfIn PDF document text
- http://aotwresort.org/ckfinder/userfiles/files/fiwipazapetefinozoxefevaf.pdfIn PDF document text
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/1609120e707717---1205815424.pdfIn PDF document text
- https://grupo-kayros.com/userfiles/file/junalobidunijesikozexunur.pdfIn PDF document text
- http://cafegreenwichvillage.com/uploads/files/55904530285.pdfIn PDF document text
- https://trsbarriersdirect.com/wp-content/plugins/super-forms/uploads/php/files/04lo4cfv3ccurbhvbfqlfo7dvo/98124938237.pdfIn PDF document text
- http://fabrykakonwersji.pl/wp-content/plugins/super-forms/uploads/php/files/a967f75149ec5d4a5358c1dfbaaa6dc4/93945440058.pdfIn PDF document text
- https://sportsht.com/userfiles/file/waromadi.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=church+planting+and+growth+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_off0000b3c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB3C4 | 10816 bytes |
SHA-256: 5e9e5419e35383b1eb9bb73ffd213912af2b0903d5422b17f95fcbe04029db29 |
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font_01_sfnt_off0000cc81.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC81 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e493.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE493 | 15120 bytes |
SHA-256: e0de0f66b890d1b225f2315f5a014846b8f27d042e59aebdae40923bf094d30a |
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