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. It contains numerous embedded URLs, many of which point to disposable hosting or compromised CMS upload directories, indicating a link farm designed to redirect users. The presence of these links suggests an attempt to lure victims to external malicious sites, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9963
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://hebatkeren88.com/contents/files/80432954748.pdf In PDF document text
- http://thingsantiquesla.com/userfiles/files/53367342003.pdfIn PDF document text
- http://agecarekorea.com/ckupload/files/55432803524.pdfIn PDF document text
- http://www.rosabrockenhaus.ch/ckfinder/userfiles/files/84407698276.pdfIn PDF document text
- http://theurbanbazzaar.com/userfiles/file/41674999996.pdfIn PDF document text
- https://sunsetlearningcenter.com/userfiles/file/51343518934.pdfIn PDF document text
- https://hpx.com.ua/wp-content/plugins/super-forms/uploads/php/files/b07dd022b151b8230f098d15e1593d52/89356591053.pdfIn PDF document text
- http://studioingegneramato.com/userfiles/files/bilowa.pdfIn PDF document text
- http://lulanjina.net/upload/files/kidomonomanenetexuro.pdfIn PDF document text
- http://dogable.de/userfiles/file/61675536576.pdfIn PDF document text
- https://virtrade.gr/userfiles_lybo/file/59904281220.pdfIn PDF document text
- http://www.vlaamspatientenplatform.be/_plugin/ckfinder/userfiles/files/59348500109.pdfIn PDF document text
- https://valkexclusief.reviewz.eu/app/webroot/files/userfiles/files/64340830568.pdfIn PDF document text
- https://www.hs-hofgastein.salzburg.at/ckfinder/userfiles/files/34601455851.pdfIn PDF document text
- https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/1l814cqahvn6u5273ithibvp15/62877875355.pdfIn PDF document text
- https://dnm.tw/uploads/files/202109090747453218.pdfIn PDF document text
- http://asalsold.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138ff8c22c34---45892738560.pdfIn PDF document text
- https://bunyaminerdemir.com/resimler/files/walopamuparokeputinewajin.pdfIn PDF document text
- http://vipforiraq.com/userfiles/files/67149454346.pdfIn PDF document text
- https://gangwontaxi.com/FileData/ckfinder/files/20210907_BF82BFA200F21734.pdfIn PDF document text
- https://audit-advisers.com/userfiles/file/dujegukuj.pdfIn PDF document text
- http://jiendurancecoaching.com/ckfinder/userfiles/files/23559758182.pdfIn PDF document text
- http://jumpinfit.it/userfiles/files/guxedugojabasuvobalure.pdfIn PDF document text
- http://teamtrinity.net/trinitya/file/tojalidedaj.pdfIn PDF document text
- http://mkconline.com/landmark/ckfinder/userfiles/files/72721290351.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=convert+ppt+to+pdf+high+resolutionPDF 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_off00013e04.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13E04 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001561b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1561B | 10812 bytes |
SHA-256: e7a748acf931f7c503585eebbc5fcb4804340d5ba2419dab2c1e9ab1b755ddf2 |
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font_02_sfnt_off00016eca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16ECA | 19620 bytes |
SHA-256: 718cc614bb5867dbe4d83d2b740c8f93abdf84b1b87497020131d66ad9f40b2d |
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