MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file identified as malicious by ClamAV and an ML classifier. It contains a link farm pointing to multiple compromised WordPress sites, which in turn host other PDF files. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a pattern of using disposable hosting for these links, suggesting an attempt to obscure the true malicious infrastructure. The presence of embedded URLs and the overall structure point towards a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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://fjordancv.info/wp-content/plugins/super-forms/uploads/php/files/ff29f9ddd27220ccec831a385f3bee45/dobibinidixusajewozorapo.pdf In PDF document text
- https://lawpropertyconsultants.co.uk/wp-content/plugins/super-forms/uploads/php/files/nof5vnsn833hkoh8259u7fo5ck/vezedutufosol.pdfIn PDF document text
- https://www.charityweiss.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609badf4612ee---47188512830.pdfIn PDF document text
- https://www.grandiosa.is/wp-content/plugins/super-forms/uploads/php/files/1t64ap6lkrfnrsv76ifgl5frk3/jiwusolidorosopowero.pdfIn PDF document text
- https://rajakeempat.com/contents//files/78166780397.pdfIn PDF document text
- http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/nlniblhut0k0g85r66vmbub5i4/22428112795.pdfIn PDF document text
- https://vashadvokat82.ru/wp-content/plugins/super-forms/uploads/php/files/d5e126a275058ce87fef3ccf9efc62c1/54671662526.pdfIn PDF document text
- http://skolicka.eu/foto/images/file/8564029114.pdfIn PDF document text
- https://luxurytravel-show.com/wp-content/plugins/super-forms/uploads/php/files/2b53ac065982243bde5ff767a891770b/78425690225.pdfIn PDF document text
- https://xn----9sbccjdbca7cyaieg1a3j.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/a94b3f70d310c02586267dcbc5030550/rigokebozisulujuxanelis.pdfIn PDF document text
- http://www.benyowsky.com/resources/files/zupolegibinopapa.pdfIn PDF document text
- http://pop-around.com/file_media/file_image/file/43599156135.pdfIn PDF document text
- http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c92ad88064---97453576183.pdfIn PDF document text
- http://katyababash.com/images/uploads/file/63662123702.pdfIn PDF document text
- https://vizzzio.ru/wp-content/plugins/super-forms/uploads/php/files/23ec3a3bd6e0b22dc93799d00e1e5e50/dugob.pdfIn PDF document text
- http://anysoldierfundraiser.com/clients/a/af/af293656121fcb8b60a8c910089dd81c/File/sabigix.pdfIn PDF document text
- http://wagnerpc.com/userfiles/files/78641840807.pdfIn PDF document text
- https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/1607bd97af3094---vorifid.pdfIn PDF document text
- https://profbuhotchet.ru/wp-content/plugins/super-forms/uploads/php/files/c55a255aaf4c25ada257f70bacacef76/firafi.pdfIn PDF document text
- http://thuduchouse.vn/pics/file/52653805621.pdfIn PDF document text
- http://muzeumostrowiec.pl/obrazy/file/56196401543.pdfIn PDF document text
- http://geo-equipe.it/userfiles/files/fezisilesa.pdfIn PDF document text
- https://akproauto.com/nbloom/fckuploads/file/kimupojogobasurukiz.pdfIn PDF document text
- http://christembassydocklands.org/wp-content/plugins/super-forms/uploads/php/files/9c93ee00877a34e286b10a1667a9a5b0/worukapulafel.pdfIn PDF document text
- http://avtoarka.ru/wp-content/plugins/super-forms/uploads/php/files/245afbc99d692a022f57ebb943690381/36973890803.pdfIn PDF document text
- http://ankamet.com/userfiles/file/30134998046.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=hotpoint+aquarius+washing+dryer+machine+manualPDF 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_off0000ee46.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE46 | 16972 bytes |
SHA-256: adddeda21e7a59c511510675453dfab28b52f299f807d3f4be7690326f4f786c |
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font_01_sfnt_off00011ad0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11AD0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000132e7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x132E7 | 11400 bytes |
SHA-256: 3b5934a0cc3baf9ab80fbe406adb520b291dad1e16e37b0f16e03ac28e764977 |
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