MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded URLs, many of which point to compromised CMS upload directories or disposable hosting. The ML classifier strongly indicated maliciousness, and the structure suggests a link farm designed to manipulate search engine results or redirect users to potentially harmful content. No scripts were extracted, and the document body was unreadable binary data.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
Heuristics 5
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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://carlojans.com/cms/file/61323446625.pdf In PDF document text
- https://marigabung.com/contents//files/wujerebasetinunugutoto.pdfIn PDF document text
- https://ntpuvoice.com/ckfinder/userfiles/files/23180157956.pdfIn PDF document text
- https://confetti-seasons.ru/upload/files/gewagawotiwa.pdfIn PDF document text
- http://dmn.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607922a227998---rexobew.pdfIn PDF document text
- http://ambvetsanprospero.eu/userfiles/files/xemakedusedadir.pdfIn PDF document text
- http://china-zzld.com/uploadfile/file///2021061602060682.pdfIn PDF document text
- https://him-home.ru/wp-content/plugins/super-forms/uploads/php/files/12f0ae8d98b63429b63084ea8df3da1a/80977790278.pdfIn PDF document text
- http://drcleancenter.com/uploads/files/202108220331251010.pdfIn PDF document text
- http://floramarble.com/uploads/28301269107.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090d2c630b75---47527600143.pdfIn PDF document text
- http://furkansigorta.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160c13210d26da---pawumes.pdfIn PDF document text
- http://reclaimsplus.com/wp-content/plugins/super-forms/uploads/php/files/162de5ca6668abf1e5a237a4bcb093d5/2166146701.pdfIn PDF document text
- http://quaretti.it/userfiles/files/7715287541.pdfIn PDF document text
- https://srmhomes.com/images/bulk_images/files/raxorigevojivetudijasuf.pdfIn PDF document text
- https://connect.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/11c65feb0fd48093563bc7a068ef601d/rimatujogo.pdfIn PDF document text
- http://jshtextile.com/UserFiles/file///nilowub.pdfIn PDF document text
- http://raduzhniy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099f0f3f34f1---bujuwidixazo.pdfIn PDF document text
- http://xn----7sbakif2a3azdub.xn--p1ai/admin/ckfinder/userfiles/files/duwopolefepelajero.pdfIn PDF document text
- http://uptindia.com/newsimages/file///loxixar.pdfIn PDF document text
- https://cms.blauraum.com/wp-content/plugins/super-forms/uploads/php/files/a0c2e48741cd3f06f793db4621ff69b2/16452670126.pdfIn PDF document text
- http://sevimticaret.net/userfiles/file/luxekuxedumobojazara.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=pride+comes+before+the+fallPDF 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_off0000ca22.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA22 | 17792 bytes |
SHA-256: 00af16ab984ec3ff7ec9b20a8b67ba8ac712bcb9b65477d530b1ef79c523151b |
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font_01_sfnt_off0000f7d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7D3 | 10776 bytes |
SHA-256: 1c96e6e01700d362deb68f584fddb356c0cf3f4b8598b99e2ee5a9e3a0db0b4f |
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font_02_sfnt_off0001109f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1109F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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