MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains numerous embedded URLs that point to compromised WordPress sites and disposable hosting, suggesting it functions as a link farm to distribute further malicious content. The presence of external URI links and the overall structure strongly suggest an attempt to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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://laborke.ru/uplcv?utm_term=optional+life+and+ad%26d PDF link annotation
- https://enville.com/wp-content/plugins/formcraft/file-upload/server/content/files/160792fdb6187a---36739676016.pdfIn PDF document text
- http://huntland.hu/upload/file/64528482704.pdfIn PDF document text
- http://choinka4x4.org/cms/files/file/jerujutuximeba.pdfIn PDF document text
- https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/1ua2mlpvlr1irdev20gsb886q3/31967285578.pdfIn PDF document text
- https://sellos-mecanicos.com/wp-content/plugins/super-forms/uploads/php/files/df2be84d52eb4ce0af679d61736ea41a/24128833318.pdfIn PDF document text
- http://allg-gyn.ch/userfiles/file/53728779095.pdfIn PDF document text
- http://orgue-chantepie.info/FCKeditor/upload/file/83663383139.pdfIn PDF document text
- http://lpkgoodframeupvc.com/userfiles/files/jezabawofuvatinedutemuzal.pdfIn PDF document text
- http://salonlomi.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16074c6dc87000---kuligujowataralozaremebo.pdfIn PDF document text
- http://ayurveda-shiatsu-qigong-nice.com/upload/files/gijoxesaritive.pdfIn PDF document text
- http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ee4d9ed829---7896961497.pdfIn PDF document text
- http://absigorta.com/E/file/53868156550.pdfIn PDF document text
- http://maternites-catholiques.org/ressource/site-image/files/54421649711.pdfIn PDF document text
- https://deedpoll.sg/wp-content/plugins/super-forms/uploads/php/files/98b924b81a823017e0b14a041e4acd3b/87317166123.pdfIn PDF document text
- http://lucann.com/Upload/file/pakapebeku.pdfIn PDF document text
- http://northcity.rs/slike/files/wotoxomi.pdfIn PDF document text
- https://bdsvieclam.com/upload/files/14617748921.pdfIn PDF document text
- https://energooptima.hu/upload/File/nazuratiza.pdfIn PDF document text
- http://mnwebdesign.dk/userfiles/file/12578125463.pdfIn PDF document text
- https://soechi.id/userfiles/file/4064996492.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_off0000ddcd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDCD | 10248 bytes |
SHA-256: d7702a55ba5fc519ae1fc7e164f4622f198e7e79c0ce57bc0ce56f5b44cdd5ac |
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font_01_sfnt_off0000f4ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4EF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010d01.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D01 | 18488 bytes |
SHA-256: c12b08c07db04a0c635e49073109a5a428ed5a2bf92ab8fc92a2f4ef0fc8fe78 |
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