MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document contains numerous embedded URLs, many of which point to compromised WordPress sites and appear to be part of a link farm. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or distributing further malware. No scripts were extracted, but the presence of a link farm suggests an attempt to lure users to external, potentially malicious, resources.
Machine Learning
- Nyx PDF Classifier malicious score 0.9923
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://www.waterlooarmsnewforest.co.uk/wp-content/plugins/super-forms/uploads/php/files/2ebbf77e0e7336d06fbe5b634eea5436/86512859059.pdf In PDF document text
- http://busankid.com/webfiles/board/file///notowisorogujuge.pdfIn PDF document text
- http://haithuanphat.com/uploads/files/47207730648.pdfIn PDF document text
- https://californiaoptionsrealestate.com/wp-content/plugins/super-forms/uploads/php/files/5272ae324911009c1ee4a7ce15dbfdea/wozorozufa.pdfIn PDF document text
- https://www.ptlittleflower.org/wp-content/plugins/super-forms/uploads/php/files/mnvc3d2034r6on5da8tvlugf4h/63732428907.pdfIn PDF document text
- http://debden.org/userfiles/file/67804447457.pdfIn PDF document text
- http://alsumiri.net/wp-content/plugins/super-forms/uploads/php/files/c4aeb79bb1190a6a7702735a0fc9e528/12456938328.pdfIn PDF document text
- http://multiseal.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/16077f3c4895eb---68650342455.pdfIn PDF document text
- https://www.movingwithmagna.com/wp-content/plugins/super-forms/uploads/php/files/09cb4fa885aa964060fa4b4af54a5c40/goxutuxojitizemi.pdfIn PDF document text
- http://nacyc.jp/Upload/file/22347624285.pdfIn PDF document text
- http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c6dcd07a25b---gisefumogapawipuxore.pdfIn PDF document text
- https://dm288.rs/slicice/file/zizimebik.pdfIn PDF document text
- https://www.kalirich.com/wp-content/plugins/super-forms/uploads/php/files/jq2dkjn6sf7de9ji8pm9kthd36/11505578712.pdfIn PDF document text
- https://lightspec.ca/wp-content/plugins/super-forms/uploads/php/files/5c022e5b40e8b67730527d1bd9863378/28178386073.pdfIn PDF document text
- http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1609b994384805---25727449523.pdfIn PDF document text
- http://kapsalonvogue.nl/files/file/wikibewovodarojexeb.pdfIn PDF document text
- http://au-zlato.sk/upload/files/86407478558.pdfIn PDF document text
- http://etnorom.hu/pictures/22605555644.pdfIn PDF document text
- http://szyldkj.com/luodan/images/userfiles/file/42218035172.pdfIn PDF document text
- http://steelbo.com/uploads/admins/u0/files/20210603022534.pdfIn PDF document text
- http://lightofislamonair.org/uploads/files/gelokanujafafawafikoro.pdfIn PDF document text
- https://watertorens.nl/userfiles/file/77744651776.pdfIn PDF document text
- http://cgt-fo-csc.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160bd694921677---30826727193.pdfIn PDF document text
- https://centar-znr-zop.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160879963cc5b7---mopafosifizu.pdfIn PDF document text
- http://asvpp.fr/pdf/76900423278.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=integrated+rate+law+plotsPDF 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_off000126ea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x126EA | 18160 bytes |
SHA-256: bb8ecb94c60370bd0c7fbd65f83e2bb0cd422d8a96d4665b876e30ca5f94609c |
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font_01_sfnt_off0001570d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1570D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00016f24.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16F24 | 10512 bytes |
SHA-256: 01b390d6fefcf6ede7de744d405d4bea65652ab39e4f00bf012928d74f6a7834 |
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