MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. It contains numerous external links, many pointing to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The presence of embedded URLs and the overall structure strongly indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9822
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://nomylo.ru/uplcv?utm_term=symbols+of+the+first+20+elements
- http://xedaptap.net/userfiles/file/20005404930.pdf
- https://protradingindia.net/userfiles/file/gozapubezuzagalebokevexew.pdf
- http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/6crvfvfp8kleih61lurkrfn3l3/69764075878.pdf
- https://betenrealestate.com/sites/default/files/file/rasapin.pdf
- http://autoshiftbid.com/fckeditor/userfiles/file/34914559322.pdf
- https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/386df61b1e1b387cc16c9be06ba561f2/gifosisojelibeva.pdf
- https://dreamscapes.ca/dream_scapes/userfiles/files/4873189390.pdf
- http://ytovietnam.net/ckfinder/userfiles/files/mejirelon.pdf
- http://alpha-cp.com/userfiles/file/43287695703.pdf
- https://alnahamgroup.com/userfiles/file/52102723350.pdf
- https://askopenko.com/wp-content/plugins/super-forms/uploads/php/files/90d0f1dd9fc5e9e94970904fbf12aef5/49227469386.pdf
- http://recruiters-zone.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cae3937df7e---69074765547.pdf
- https://thewentworthco.com/wp-content/plugins/super-forms/uploads/php/files/ebj4q674hpufgt2qj2utpp7hdd/tufefiribovorodumixen.pdf
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/5cffe9d37da048cf1305dbf03b076bff/jataveluv.pdf
- https://apoc.com.au/wp-content/plugins/super-forms/uploads/php/files/dd04718e62398f726d117e85872673ef/6289842080.pdf
- http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b5f6dd6fa46---43691421217.pdf
- http://beergolfers.com./blog/images/file/24909936486.pdf
- https://livredart.com/ckfinder/userfiles/files/guxezorazenijagivo.pdf
- https://eandjfamilyhealthcenter.com/wp-content/plugins/super-forms/uploads/php/files/b554902ad883b4bccbe65fc7303559c2/sakagodigesor.pdf
- https://jennysbooks.com/wp-content/plugins/super-forms/uploads/php/files/16998ed9121e891632b58f6bf9c2d4e9/fikew.pdf
- http://rogo-rotterdam.nl/files/bironafekodoferezagaji.pdf
- http://nghiencuuykhoa.com/uploads/userfiles/file/95876603252.pdf
- http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160ab356f5ea92---kebodolod.pdf
- http://grafordexstudents.com/clients/0/05/05b3dbe7dd9dc6f92b523d2b721f2ffd/File/nabavonowixereti.pdf
- https://bindazzled.com.au/wp-content/plugins/super-forms/uploads/php/files/6b842c7827b9c553b87ad227f1bbe59b/vemoraboxedazoragetakixo.pdf
- https://socialchangefactory.org/wp-content/plugins/super-forms/uploads/php/files/9180a49e656ae7a09d0cc3af358fd573/zadivovimomewe.pdf
- https://www.andrecampbell.ca/wp-content/plugins/super-forms/uploads/php/files/3b827541004f865906cfbe6a3445e315/xafuwa.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_off0000f6fc.binacdb69a5dc1c31fc145200fc88d66fa6289f4c3fd5ab68c7fd5c6340e5acd8ab |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6FC | 10888 bytes |
font_01_sfnt_off00011000.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11000 | 16792 bytes |
font_02_sfnt_off00012812.bin4771b11f2bd6a62559c4c3920006bb1a6c5df285efd6fd78b2ea00b4d6f8a1e3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12812 | 17240 bytes |
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