MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. The file contains numerous URLs pointing to compromised WordPress sites, suggesting it functions as a link farm. The presence of embedded URLs and the nature of the heuristics indicate a likely phishing or malware distribution attempt, potentially delivered via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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 https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b231a15c098.pdf In PDF document text
- http://aarogyamedico.com/userfiles/file/91832267384.pdfIn PDF document text
- https://gpagroup.in/wp-content/plugins/formcraft/file-upload/server/content/files/160876847689f4---rilomoladep.pdfIn PDF document text
- http://toyteepee.com/uploadfiles/file/210828060450987971s25xx8.pdfIn PDF document text
- http://www.benvenutialmare.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609cbd7ba68bf---73306535786.pdfIn PDF document text
- https://www.golaw.net/wp-content/plugins/formcraft/file-upload/server/content/files/1609955d6e9436---58149895008.pdfIn PDF document text
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/160e94b37b01e6---25778581952.pdfIn PDF document text
- http://marasintl.com/public/ckfinderuploads/files/52399021809.pdfIn PDF document text
- https://tpk-m.ru/files/file/62772685869.pdfIn PDF document text
- https://xn----8sbcehyodmtf1czh.xn--p1ai/userfiles/file/lepibegufesuzemofomofe.pdfIn PDF document text
- https://valergences.fr/userfiles/file/siworexon.pdfIn PDF document text
- https://rajaketiga.com/contents/files/baposowiretov.pdfIn PDF document text
- http://ncfc.com.tr/ckfinder/userfiles/files/71986846489.pdfIn PDF document text
- http://cbelmira.com/wp-content/plugins/super-forms/uploads/php/files/l0v1hmfd2l6e2af9ikavircq32/12385297264.pdfIn PDF document text
- https://jgmurphy.com/wp-content/plugins/super-forms/uploads/php/files/07f020f270a0774a8e43b3ad9822a918/32720753586.pdfIn PDF document text
- http://namngonviet.vn/user-/files/roxod.pdfIn PDF document text
- http://averon.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1606c78c9e249c---nukekaxiresekomiz.pdfIn PDF document text
- http://kimdaiphatsteel.com/Images_upload/files/760026893.pdfIn PDF document text
- https://cottonweb.net/userfiles/file/wifojubumenivusage.pdfIn PDF document text
- http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610ac8479023a---58643956081.pdfIn PDF document text
- http://playfromhome.org/clients/4/49/49939bf6a151252ba1adfe53d1befa29/File/xapelewefiwonituwuguni.pdfIn PDF document text
- https://thejasmineway.net/wp-content/plugins/super-forms/uploads/php/files/f3tgk8hcgcp8li5qvcbqpag0lb/80084803856.pdfIn PDF document text
- https://cwlighting.com/wp-content/plugins/super-forms/uploads/php/files/b3c9a8fb89119f41d3fe2ed1ef00d99a/tulawodadufog.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=sentence+or+fragment+worksheet+2nd+gradePDF 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_off0000bde5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBDE5 | 11156 bytes |
SHA-256: b53056bb8f31ecebef994e7cfddb8a5f21b9ea973afda1acd51dd4d472224cf5 |
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font_01_sfnt_off0000d7c0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7C0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000efd2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFD2 | 16944 bytes |
SHA-256: fd3f6ac528cfa4274ca33e1672d1aad9f75e8f80320c650422b920380aeaafa5 |
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