MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document contains heuristics indicating it is a link farm and a lure for invoices or payments. It embeds multiple URLs, many of which point to compromised WordPress sites hosting other PDF files, suggesting a multi-stage download or redirection process. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 7
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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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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.drserapkagan.com/wp-content/plugins/super-forms/uploads/php/files/hsehcuhc1o5lf6ssid8qbtgdad/lijitarufeb.pdf
- http://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2eb163cc9c---taposegu.pdf
- http://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609bf5ee02e20---lawatomajalo.pdf
- https://watfordfairtrade.org/app/webroot/img/files/xibinutot.pdf
- https://vivekanandbawwa.com/userfiles/file/fabegab.pdf
- http://dzwigipoznan.pl/userfiles/file/wizix.pdf
- http://www.next-conseil.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160c146adc9cec---58794761591.pdf
- https://investainternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fbe0490a4a---daledezar.pdf
- http://lapenya.cat/imgjovesnaves/file/zunarofajazo.pdf
- https://www.18fire.com/wp-content/plugins/super-forms/uploads/php/files/698045c7316bcbc3b051e19be0b48cbe/34968803695.pdf
- http://pvsystreports.com/wp-content/plugins/super-forms/uploads/php/files/r5m54okiu5b89mnvcgtl17sqm7/67117851682.pdf
- https://khotelmarket.com/FileData/ckfinder/files/20210624_166280CB4D6A77F4.pdf
- http://perfectthesale.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc1ae08cc3c---larozodivenibaxaj.pdf
- https://pankalconstructora.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9cf6d035d8---mimowazajoxusel.pdf
- http://curry-box-deluxe.de/userfiles/file/48980551370.pdf
- http://manufim.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160862ff0540eb---57567081747.pdf
- https://accuratesearch.com/userfiles/file/21653126508.pdf
- http://adaviestransportltd.com/userfiles/file/51511788274.pdf
- http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607bccc8d2189---tapimosusosakujasifaroxa.pdf
- https://oiweld.com/wp-content/plugins/super-forms/uploads/php/files/1d69127e436d28a64c3c7e45874fd841/lakogesuzuxik.pdf
- https://www.elementstraining.co.uk/wp-content/plugins/super-forms/uploads/php/files/198dj611406q1b12j9ktfprve1/babumofuvotefofivera.pdf
- http://rocb-ap.org/file_media/file_image/file/birinanex.pdf
- https://3dreamvr.com/wp-content/plugins/super-forms/uploads/php/files/a4dc7bfe45a0b883eb76d821bed7bbbd/34797609491.pdf
- http://www.mtpartnersfl.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b77ce019d4e---zosaxelamowetidu.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=what+is+the+difference+between+carers+payment+and+allowance
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010d0d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D0D | 16792 bytes |
font_01_sfnt_off00012524.bin70a25b8aaafbeaf98fbb4cba2769541ac093b6f88dcd0d432a84326c8998adb3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12524 | 11216 bytes |
font_02_sfnt_off00013f0d.bindf9447bf210b11699db7cbbf4e071f7446d30f5e0410e921232e970740787058 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13F0D | 17236 bytes |
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