MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous external links, many pointing to compromised WordPress sites and disposable hosting, suggesting a link farm or phishing lure. The presence of these links and the overall structure strongly indicate an attempt to redirect users to malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9946
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://krisoc.ru/uplcv?utm_term=bengali+meaning+of+ward
- http://balogmihaly.hu/UserFiles/file/nixinowux.pdf
- http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160a9014d1368a---78018284560.pdf
- https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d5336ed970---97412344967.pdf
- https://a2designbg.com/userfiles/file/jemavakavoxanijuzukip.pdf
- http://banghetretruc.com/media/ftp/file/subuxawiruvo.pdf
- http://ljhalls.com/wp-content/plugins/super-forms/uploads/php/files/32cc7bb7006e99462dbbe1eb6fedb52f/99838771753.pdf
- https://www.hediyevideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607489c5a28f2---35215695682.pdf
- https://adepotcustom.com/UploadFiles/file/20210502042533118.pdf
- https://imagebeaute.fr/userfiles/file/letixag.pdf
- http://project-lovcen.me/userfiles/file/gubapoxudalikejakaxu.pdf
- https://esteticarcare.com/wp-content/plugins/super-forms/uploads/php/files/8bec3ffa13b083841bde82d68511ed4a/timuke.pdf
- https://rfcorporation.net/wp-content/plugins/super-forms/uploads/php/files/dc385e393be1e0355ca946f5ce684be3/ribijisebakaz.pdf
- http://botosani.ro/img/uploads/file/49529773349.pdf
- https://www.peeryhotel.com/wp-content/plugins/super-forms/uploads/php/files/4005025f2d200acbc6db39b0f15d8ece/katatidus.pdf
- http://livestreaming.group/wp-content/plugins/super-forms/uploads/php/files/dt15hbcn8cav5bfj1vjpnratq789lh1d/zitijinobesivuwiman.pdf
- http://bochosushi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ad8967991a---41795883085.pdf
- https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607a3ccb055d5---bidomugoda.pdf
- https://www.brightfieldbusinesshub.co.uk/wp-content/plugins/super-forms/uploads/php/files/t0m8rig6qmufm9m7sq3lbq7vjn/tewasesor.pdf
- http://auxerretv.com/content/public/file/ruluruvagegab.pdf
- http://xn--h1aaebajlcgx.xn--p1ai/sadm_files/jutuxozowumokamij.pdf
- http://consulcongress.it/uploads/assets/file/mefirupuremujuxumubiluni.pdf
- http://2girlstrippin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7e40f66dca---79073206050.pdf
- https://jdbailbonds.com/wp-content/plugins/super-forms/uploads/php/files/97c4bf0a594cec581a6ba9798e09857d/31324465317.pdf
- https://www.tctnanotech.com/wp-content/plugins/super-forms/uploads/php/files/a64068de9ed786ded2db3f40a7d9d1ec/23552033868.pdf
- http://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ae541bf9e3---52718229232.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e282.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE282 | 16792 bytes |
font_01_sfnt_off0000fa99.bin9484f1a64fada6659d0b466097b73eb462bfb13a664ff6ddd24a64ce966123f5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA99 | 10568 bytes |
font_02_sfnt_off0001127d.bin5292e35a3db2c2ed95861cbae0ea46df93462c97c62a59b42600eb7068afdd45 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1127D | 16220 bytes |
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