MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs pointing to various domains, many of which appear to be compromised or disposable hosting. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' strongly suggest this document is designed to host a large number of links for SEO manipulation or to distribute malicious content. ClamAV detection as 'Pdf.Phishing.Trojan' further supports its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9829
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://wastran.ru/uplcv?utm_term=on+the+manual PDF link annotation
- https://aartipalette.com/userfiles/file/desuvunodeperiguxowu.pdfIn PDF document text
- http://fixmyhelicopter.com/project-new/christianbook/upload_images/file/63390616476.pdfIn PDF document text
- http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/160ac2900d6b9e---nogozupomo.pdfIn PDF document text
- https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d261cb30412---14828790325.pdfIn PDF document text
- http://grodgolf.com/clients/f/fd/fd83fa7079552abb47853a85229f74c1/File/11929363377.pdfIn PDF document text
- https://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160c64d217d8fa---98687323782.pdfIn PDF document text
- http://www.justgiveahand.org/wp-content/plugins/formcraft/file-upload/server/content/files/160765db27ef4d---kevalu.pdfIn PDF document text
- http://fabrykakonwersji.pl/wp-content/plugins/super-forms/uploads/php/files/7f770f2be36c5ee7b66b11cbf14660b4/98104098058.pdfIn PDF document text
- http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608496dfa16dd---gusenekenuxigebilexugu.pdfIn PDF document text
- http://kyanite.tv/userfiles/file/31648404173.pdfIn PDF document text
- https://grand-forge.ru/wp-content/plugins/super-forms/uploads/php/files/d592e7642aad7616ee43e00380a6c066/63869902240.pdfIn PDF document text
- http://bjbtrh.com/files/pic/file/68213391838.pdfIn PDF document text
- http://www.sbawerribee.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c94d7c04abe---49109346951.pdfIn PDF document text
- http://pappteam.hu/userfiles/file/rovuvodewoxale.pdfIn PDF document text
- https://neavocats.com/wp-content/plugins/super-forms/uploads/php/files/2f5300eb5df2beef27c11fc4c9bd21cf/2010732347.pdfIn PDF document text
- https://debcopharma.com/userfiles/file/susoxeropesaxagisumupano.pdfIn PDF document text
- http://www.physedu.in/newsite/userfiles/files/84921119453.pdfIn PDF document text
- https://independentmusicleague.com/wp-content/plugins/super-forms/uploads/php/files/30973a67085ad25ffcfdd75a7b5a7bbd/bulaluvajedafapuv.pdfIn PDF document text
- http://www.awakohchang.com/image/upload/File/680605626.pdfIn PDF document text
- http://tipiland.net/upload/file/buluwevuwazakimomamurin.pdfIn PDF document text
- https://kvgrup.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/160c1ed47da641---43615749552.pdfIn PDF document text
- http://itkaufmann.com/images/fckimages/file/13256483036.pdfIn PDF document text
- https://bellevuecommunityfoodbank.org/wp-content/plugins/super-forms/uploads/php/files/261a808ac9debbf38074244e28e9e9ae/kowovuz.pdfIn PDF document text
- http://cepsagibyachtfuels.com/images/photos/13999148492.pdfIn PDF document text
- http://hnspkjx.com/d/files/21062640191.pdfIn PDF document text
- http://www.cheapmotorcycleinsurancepa.com/wp-content/plugins/super-forms/uploads/php/files/mel0fi5d8pl5qmbjrc7gdjrk90/59829934914.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_off0000d32e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD32E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000eb45.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB45 | 10016 bytes |
SHA-256: 0ec79fac0174c2a9f3cb2e2aa3a3f4acfded5a58b3e621aaf457f3cf51d9dd99 |
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font_02_sfnt_off00010150.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10150 | 15784 bytes |
SHA-256: 88339ae93812ca4542a61bb5bf720a5e05014fd7fabfca72510d1e7c29a5ca7a |
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