MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate the document functions as a link farm, directing users to multiple external URLs hosted on potentially compromised or disposable domains. The presence of numerous embedded URLs, many using 'utm_term' parameters, strongly suggests an attempt to redirect users to malicious content, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
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://oniceh.ru/uplcv?utm_term=android+smartphone+mit+qwertz+tastatur PDF link annotation
- http://mp-journal.com/media/file/19616653238.pdfIn PDF document text
- http://phuvuongcorp.com/luutru/files/61539555770.pdfIn PDF document text
- http://85560891.com/upfolder/e/files/20210903011840.pdfIn PDF document text
- http://fresh-j.info/images/uploadedimages/file/mawevikipezevunofalapefi.pdfIn PDF document text
- http://baove24h.org/upload/files/nodelewiwiri.pdfIn PDF document text
- http://indianapit.thriftstorewebsites.net/flash/indianapit.thriftstorewebsites.net/file/fonezisanobitetobugij.pdfIn PDF document text
- https://i-intelli.com/ckfinder/userfiles/files/76514215409.pdfIn PDF document text
- https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/161364292c615a---bujet.pdfIn PDF document text
- http://zoltysnieg.pl/pliki_wyswig/files/18536896083.pdfIn PDF document text
- http://mko-yug.ru/wp-content/plugins/super-forms/uploads/php/files/b0d229c3e453b8dff3e0fc3f40c3bb01/sisajuxetigejamamefoj.pdfIn PDF document text
- http://www.itbaloch.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e7b78e263c---35050006840.pdfIn PDF document text
- https://izr.fr/files/wexereberamux.pdfIn PDF document text
- http://gotween.com/userfiles/file///keluzajedaf.pdfIn PDF document text
- https://highfieldhousehotel.net/nbloom/fckuploads/file/tixujupuduwivaziwa.pdfIn PDF document text
- http://hainfelderteich.at/77874358596.pdfIn PDF document text
- https://cplastik.com/data/cms/file/29852205466.pdfIn PDF document text
- https://omnistopbollards.com/application/third_party/ckfinder/userfiles/files/kipubodo.pdfIn PDF document text
- http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/16145521a73934---kokawetubabug.pdfIn PDF document text
- https://hmradiatoriai.lt/images/files/xowugufuguvozepalit.pdfIn PDF document text
- https://www.chablis-gautherin.com/ckfinder/userfiles/files/83253767978.pdfIn PDF document text
- http://cdjuchuan.com/upload/files/34313399553.pdfIn PDF document text
- 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_off0000d650.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD650 | 10984 bytes |
SHA-256: 750df36c02c1f84a9ea027ef9c89f851117fa72fdeaff49fa017782ae123776d |
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font_01_sfnt_off0000ef81.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF81 | 19084 bytes |
SHA-256: 43d0d258d6413c78b2c81f3ed1189438e508a47ce6009c5f5f79347093b98574 |
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font_02_sfnt_off00012029.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12029 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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