MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics indicate the PDF acts as a link farm, directing users to multiple external URLs, including one using a raw IP address. The presence of numerous links on disposable hosting and compromised CMS upload storage suggests a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9943
Heuristics 7
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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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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://sovaimm.it/userfiles/files/29687986482.pdf In PDF document text
- https://www.treehousecare.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606cf366138c2---nolifomulibuninosixe.pdfIn PDF document text
- http://dongkoo.com/uploads/editor/files/dufosogaxodepafovaniji.pdfIn PDF document text
- http://engroupe.ca/aym_image/files/37569799972.pdfIn PDF document text
- https://mindweave.co.uk/wp-content/plugins/super-forms/uploads/php/files/ddl4la8ame6ibganvvl8rsmsb4/nulowelanofura.pdfIn PDF document text
- http://bilcafe.it/userfiles/file/87789557827.pdfIn PDF document text
- http://driscollandgibson.com/images/edit_images/file/mifefabovedu.pdfIn PDF document text
- http://bm-shower.com/userfiles/files/saxatejodijiwi.pdfIn PDF document text
- http://ridgefieldpark1967.com/clients/3/39/39eebdc8797e30ee23d4fd57d071fd44/File/26404248967.pdfIn PDF document text
- http://hotelgiottotorino.com/userfiles/files/61489028401.pdfIn PDF document text
- https://markeishahall.com/wp-content/plugins/super-forms/uploads/php/files/a8faff762eea123db055b791d87c23b5/41086697449.pdfIn PDF document text
- http://vilaportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c51d33e8b10---96670654832.pdfIn PDF document text
- http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/afmo016h73f9cc7susbu3hofb3/49954787894.pdfIn PDF document text
- https://smobiil.eu/userfiles/files/jewigisolu.pdfIn PDF document text
- https://2greenchicks.com/wp-content/plugins/super-forms/uploads/php/files/7b738a6d1152f97e078fcfc34a3e94dd/36234061458.pdfIn PDF document text
- http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/1606ce3a7ca8f6---dugawupaxozis.pdfIn PDF document text
- https://www.msolartop.cz/wp-content/plugins/formcraft/file-upload/server/content/files/160a3589a3e283---nudojuvavilizavedip.pdfIn PDF document text
- http://www.lauricedale.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160cfbae320276---12338302479.pdfIn PDF document text
- http://www.franklinwebdesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c921446ac1---49123800227.pdfIn PDF document text
- http://kindervakantieweekdeurne.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b3433286e42---22186756154.pdfIn PDF document text
- http://gialtour.it/themes/userfiles//files/89248477486.pdfIn PDF document text
- http://211.129.1.225/system/ckfinder/userfiles/files/64825240518.pdfPDF link annotation
- https://motecx.com/images/file/318794794.pdfIn PDF document text
- http://yuhongzg.com/d/files/noxop.pdfIn PDF document text
- http://www.cargeacrew.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160837904855ff---xegokanonovekoz.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=dieta+hiposodica+hospitalaria+pdfPDF 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_off0000c3dd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC3DD | 10616 bytes |
SHA-256: 4301ecd20e941f758fd8c199fa1b2341ab07040e38d124d1da3d680254e6c652 |
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font_01_sfnt_off0000dc3f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC3F | 20596 bytes |
SHA-256: f79f38187cc4355828fd6430dedc195492239473ff0dd369ebaa11918cb29a7a |
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font_02_sfnt_off0001100a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1100A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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