MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware delivery via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9950
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 http://osteriadelcampanile.com/userfiles/files/nejezijepafogokofivoroba.pdf In PDF document text
- https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ed53444bbc---32933263439.pdfIn PDF document text
- http://crocepadrekolbe.it/userfiles/files/84792862074.pdfIn PDF document text
- http://yljczl.com/uploadfile/20210902122618641.pdfIn PDF document text
- https://medicabg.com/uploads/wysiwyg/files/jopapowovi.pdfIn PDF document text
- http://carlaschroyen.com/content_docs/61939914409.pdfIn PDF document text
- https://www.fecomerciomg.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/16137ad4b8f1f0---zutejonutejokonogewofexo.pdfIn PDF document text
- http://aescantabria.es/upload/fckeditor/file///rajapiran.pdfIn PDF document text
- http://valkexclusief.reviews/app/webroot/files/userfiles/files/5117438937.pdfIn PDF document text
- https://legend-chang.com/UserFiles/files/45991590338.pdfIn PDF document text
- http://teamhead.net/userfiles/file/23767910729.pdfIn PDF document text
- http://laibros.com/ckeditor/userfiles/files/3822767599.pdfIn PDF document text
- https://luatkhangthai.vn/upload/fck/file/75339416677.pdfIn PDF document text
- http://silverspringabw.com/uploads/files/67320298518.pdfIn PDF document text
- http://nemochem.cn/upload/files/radevivasufexulomonuxum.pdfIn PDF document text
- http://mnwebdesign.dk/userfiles/file/66263484506.pdfIn PDF document text
- http://saigonford3s.com/uploads/2021-09-08/images/files/98288416771.pdfIn PDF document text
- https://chezgregoire.fr/userfiles/42353721818.pdfIn PDF document text
- http://membranekeyboard.pl/_data/file/lebit.pdfIn PDF document text
- https://408of53crownstreet.com/assets/media/files/pukujibuzuje.pdfIn PDF document text
- http://koryosushi.com/uploads/files/femisosawogokiwasojutu.pdfIn PDF document text
- https://trichynext.com/wp-content/plugins/super-forms/uploads/php/files/8e26c550381a0802ad683ec4a020d202/samusorukaboz.pdfIn PDF document text
- http://gidaero.com/upload/fckeditor/file/31662414665.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=hip+hop+beat+maker+pro+apkPDF link annotation
- https://rt9.rspo.org/ckfinder/userfiles/files/93255748517.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#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_off0000c98d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC98D | 10424 bytes |
SHA-256: c85b4965f05398fec393c0eda67556c20b350e900886485ca2ca140dfea37f56 |
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font_01_sfnt_off0000e0e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0E3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f8f5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8F5 | 18892 bytes |
SHA-256: 841e21007c8a3309bbf769bbf40f5389b32b09a37f8618ca09716d7d0b7d4251 |
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