MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The document functions as a link farm, containing numerous URLs pointing to potentially compromised websites and disposable hosting, suggesting a phishing or malware distribution scheme. The presence of external URIs and link farms on compromised CMS uploads indicates an attempt to lure users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9966
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 http://alliance-ltd.com/userfiles/dogove.pdf In PDF document text
- https://biblioteka-koneck.pl/ckfinder/userfiles/files/gixulomonokejo.pdfIn PDF document text
- https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f90a189defe---wotujowamitapazozeraj.pdfIn PDF document text
- https://www.partyshuttlebus.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16086a2854db7e---gapixejisogitifil.pdfIn PDF document text
- http://whsclass1968.com/clients/f/f8/f849445bb2fb8f42e7c863050dc1ba38/File/11434856014.pdfIn PDF document text
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160873b45b940f---tedipibeji.pdfIn PDF document text
- http://playeasypiano.com/resources/fck_images/gesetojogekividenewokesi.pdfIn PDF document text
- http://nieruchomosci-swidnica.pl/userfiles/file/kukem.pdfIn PDF document text
- https://jhservice.net/imagenes/galeria/files/dujagefupisum.pdfIn PDF document text
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/677c9aa534abf70733180c877fe2a791/31875522975.pdfIn PDF document text
- http://mikailang.net/userfiles/file/20210710131541_148627975.pdfIn PDF document text
- http://brighterhealthcare.co.uk/wp-content/plugins/super-forms/uploads/php/files/henip2vukf8f05slulfie9riqp/10901797927.pdfIn PDF document text
- http://www.esthemed.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160a7a6bb63977---33097855304.pdfIn PDF document text
- https://www.chinacimctrailer.com/wp-content/plugins/super-forms/uploads/php/files/9922f521f73c9d2d81e54145db96cf6b/72399137118.pdfIn PDF document text
- http://www.insurancedirectcanada.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160b3012401fac---66342572065.pdfIn PDF document text
- http://stratford1980.com/clients/1/19/19838be1bbe5684469623718d5e25b5d/File/96616389038.pdfIn PDF document text
- https://www.wikiwebagency.it/wp-content/plugins/super-forms/uploads/php/files/da0e1f30b22619b5cd41818c1dc90a0b/3690160831.pdfIn PDF document text
- http://monkey-do.net/userfiles/file/wizekovimelajavireru.pdfIn PDF document text
- https://muzeumkonstancina.pl/attachments/file/86887975686.pdfIn PDF document text
- https://lawina-radom.pl/files/file/joxijutivavet.pdfIn PDF document text
- http://dok-vo.ru/userfiles/file/45155184006.pdfIn PDF document text
- http://saludocupacionalpso.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/160993b15248b5---fekuxokawexopukalej.pdfIn PDF document text
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/6bs1kfafu0rbvelv1s4p50qtep/22119545459.pdfIn PDF document text
- http://ylgems.com/file_media/file_image/file/rivexeperisoredi.pdfIn PDF document text
- http://music-saikung.com/ckfinder/userfiles/files/86828281066.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=printable+starfinder+character+sheetPDF 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_off00012f00.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F00 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00014712.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14712 | 18020 bytes |
SHA-256: a1eb63ef42f56adb737fc57121232ae565d87ee865bd80a5f749ec54a8fbb8cf |
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font_02_sfnt_off00017725.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17725 | 10596 bytes |
SHA-256: 56d089258e2560c0e552bdc319daab6145eb75b00fe539ef63f2b79891adcf6e |
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