MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by multiple heuristics as malicious, including a ML classifier and ClamAV, indicating it is likely a phishing or malware distribution lure. The document contains numerous links pointing to compromised websites and disposable hosting, consistent with a link farm attack pattern. No scripts were extracted, but the presence of multiple malicious URLs strongly suggests the intent is to redirect users to harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://www.heainc.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074405f8cf57---54540714021.pdf In PDF document text
- https://www.popcaffe.it/wp-content/plugins/super-forms/uploads/php/files/356039d2da3d196462604599114d7ed2/vugimapuwepizopatexuto.pdfIn PDF document text
- https://www.landalastadservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160918de7cdb56---sutarazulelerovil.pdfIn PDF document text
- https://weborder.cloud/userfiles/file///jifakopedomi.pdfIn PDF document text
- http://nuyewrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/4c02e28e5ba5515851f3e71d2951b3c7/52219069050.pdfIn PDF document text
- http://stl-hk.net/userfiles/rixesupin.pdfIn PDF document text
- http://acpiindia.com/userfiles/file/48085782592.pdfIn PDF document text
- http://ytovietnam.net/ckfinder/userfiles/files/83238518600.pdfIn PDF document text
- http://dailycan.com/userfiles/files/puvedezonomevixod.pdfIn PDF document text
- http://df-2.de/images/daten/file/58797163107.pdfIn PDF document text
- http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ec6a84ba3e---14042452939.pdfIn PDF document text
- http://awkontrakt.pl/ckfinder/userfiles/files/80520139723.pdfIn PDF document text
- https://cashofferoregon.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9ebb8204ba---sosenidakifonam.pdfIn PDF document text
- http://regcureguide.com/files/files/jetedesazawukozuvok.pdfIn PDF document text
- http://judyzscotties.com/clients/1/1f/1f1ef5c9f72ce0e5bea5babf356718c6/File/57640230454.pdfIn PDF document text
- http://moda-minulosti.cz/docs/momin/file/rodoba.pdfIn PDF document text
- http://standartbio.com/fckfiles/file/6234048907.pdfIn PDF document text
- http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a891e550125---kitodumanonasiwo.pdfIn PDF document text
- http://ventensis.lt/public/ckfinder/userfiles/files/51147241865.pdfIn PDF document text
- http://starsunited.at/upload/files/65693152224.pdfIn PDF document text
- https://bnbtravels.com/ckfinder/userfiles/files/vigukon.pdfIn PDF document text
- http://bahsclassof1965.com/clients/1/1d/1db829f64c2e26d3b32b12ccabba4d7c/File/60164776041.pdfIn PDF document text
- http://bettynblue.com/upload/fck_img/20210716/file/23627964187.pdfIn PDF document text
- http://www.ausafrica.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1609c0b8f1aa7e---55835589827.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=formal+and+informal+letter+format+in+english+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_off0000c23b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC23B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000da52.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA52 | 10924 bytes |
SHA-256: f181b6a31119337a2e787bfc47ba3596caa91b62a1f6b137887221a7bcdefd3e |
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font_02_sfnt_off0000f322.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF322 | 16736 bytes |
SHA-256: 36cd63a4f7259a935ce6fecb406bc621a0a8fc829c26a673a91760f2f0d5e03a |
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