MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The PDF file contains numerous embedded links, many of which point to compromised WordPress sites or disposable hosting domains, suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly indicate malicious intent. The presence of PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports the conclusion that this document is designed to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.6580
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://wastran.ru/uplcv?utm_term=huawei+p8+user+manual+pdf PDF link annotation
- http://provia-events.de/pics/fotos/1/file/76556400517.pdfIn PDF document text
- https://expungemyrecordnj.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e98d69bdb2---66943166865.pdfIn PDF document text
- http://hzzxtl.com/UploadFile/file/20210702014331864.pdfIn PDF document text
- https://naveenent.com/administrator/imagetemp/file/betuwipedopuzemeb.pdfIn PDF document text
- https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2027fa5d11---14241657173.pdfIn PDF document text
- http://mim2010.ru/userfiles/file/17504828376.pdfIn PDF document text
- http://flatadministration.com/uploades/fckeditorfile/bazuninam.pdfIn PDF document text
- http://stattus.com/assets/file/tiwim.pdfIn PDF document text
- http://sanmorales.es/userfiles/files/20285488776.pdfIn PDF document text
- https://paron-rebondir.com/uploads/files/gukefadejabave.pdfIn PDF document text
- https://revapackers.com/wp-content/plugins/super-forms/uploads/php/files/0uv32c801pgut57id0po6gl7vb/64116178387.pdfIn PDF document text
- http://eurekaelearning.com/upload/news/file/26018486719.pdfIn PDF document text
- http://glotecgh.com/upload/editor/file/tavodivu.pdfIn PDF document text
- https://relleno-acidohialuronico.com/wp-content/plugins/super-forms/uploads/php/files/04673fb70c1f86e847f779779b36398a/zezujezeto.pdfIn PDF document text
- https://oriental-kitchens.com/userfiles/files/wabumikogexutunekobojopu.pdfIn PDF document text
- http://keacg.com/upload/files/suwogufaper.pdfIn PDF document text
- https://morganmethod.com/ci/userfiles/files/18560976557.pdfIn PDF document text
- https://www.wroclawmodelshow.pl/ckfinder/userfiles/files/maluzodix.pdfIn PDF document text
- https://hmradiatoriai.lt/images/files/41629283869.pdfIn PDF document text
- https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/160be17a6cf173---12528049225.pdfIn PDF document text
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160768582b0102---62546203992.pdfIn PDF document text
- http://www.lightingandhvacexpo.com/wp-content/plugins/super-forms/uploads/php/files/176e7396fa0f7edb9918a194c941cdb8/wazefoxeximunumuwiwajuj.pdfIn 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_off000110ec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x110EC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000128fe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x128FE | 18872 bytes |
SHA-256: 84ab55567607831ab7c7cf72784063e77469ecc549f986e8f09b52270d6bd7b1 |
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font_02_sfnt_off00015a50.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15A50 | 10824 bytes |
SHA-256: b2f03c5631cd950936dd692234922533469c5fb69a1f0f4c8cc400cff6536c47 |
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