MALICIOUS
116
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains numerous links to external websites, many of which are identified as compromised CMS uploads. One URL, http://104.156.58.56/~web2inbox/wp-content/plugins/formcraft/file-upload/server/content/files/1609b13f820fad---nufufavewixikedonaju.pdf, directly points to a malicious PDF file hosted on an IP address. This suggests the document's primary purpose is to lure users into downloading and potentially executing further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
Heuristics 6
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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://potlista.com/file/files/24066631519.pdf In PDF document text
- http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608dcda1cdecc---79308333869.pdfIn PDF document text
- https://gtsonline.nl/wp-content/plugins/super-forms/uploads/php/files/m7l25sha88rdr2krvuncco9sau/35394493865.pdfIn PDF document text
- https://deedpoll.sg/wp-content/plugins/super-forms/uploads/php/files/a68f7e8107cebbda3a3e25e55d70e0bc/rikizadizisomuzujesof.pdfIn PDF document text
- https://progin.ch/ckfinder/userfiles/files/tufawewazelal.pdfIn PDF document text
- https://dichocungtoi.com/userfiles/file/vupogezutexaxaxabevepus.pdfIn PDF document text
- http://babywagen24.de/userfiles/file/fupazap.pdfIn PDF document text
- http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c6dbc2465c---94858841464.pdfIn PDF document text
- http://104.156.58.56/~web2inbox/wp-content/plugins/formcraft/file-upload/server/content/files/1609b13f820fad---nufufavewixikedonaju.pdfPDF link annotation
- https://www.c2commercial.com/wp-content/plugins/super-forms/uploads/php/files/67244c048041191b07a71ba8fe60b72e/743958764.pdfIn PDF document text
- https://travelsafeway.com/userfiles/file/zetinunuremepapugo.pdfIn PDF document text
- http://nnrhc.com/clients/9/98/980d61ede38c9a35fe3396fb65651545/File/fodulekul.pdfIn PDF document text
- https://ehblending.com/wp-content/plugins/super-forms/uploads/php/files/10b239f2351c2eae0dc97751e1dae37b/8511861086.pdfIn PDF document text
- http://preserveproperties.com/userfiles/files/xitizonimememow.pdfIn PDF document text
- http://www.fotografoeventimilano.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d8a19209f61---45816548338.pdfIn PDF document text
- https://rffsev.ru/wp-content/plugins/super-forms/uploads/php/files/6660b2b6dc153795a999e30e244fbd04/31587269882.pdfIn PDF document text
- https://3drm.bg/uploads/pictures/files/zajarujatowila.pdfIn PDF document text
- https://www.educazionesessuale-scuola.ch/ck/ckfinder/userfiles/files/5927826655.pdfIn PDF document text
- http://willtorock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c31a6cadf3c---zobozu.pdfIn PDF document text
- https://moniimpex.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607eae284110c---fowikegubixoxuselaxosav.pdfIn PDF document text
- https://www.brunosistemi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fba62b9138---xiwuxerozuzigi.pdfIn PDF document text
- http://sistersaviopublicschool.com/userfiles/file/gexariviputexo.pdfIn PDF document text
- http://accessiblevehicleservices.com/userfiles/file/kaluf.pdfIn PDF document text
- https://www.endthestigmacounselling.com/wp-content/plugins/super-forms/uploads/php/files/ngcgif1270glsak7tvbcqpukde/rududapo.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=distributed+electric+propulsionPDF 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_off0000f5e9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5E9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010dfb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DFB | 18500 bytes |
SHA-256: df5694d87572b66175aa43168f8229a5dfaa968fdcf578e5adfb276129e287c9 |
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font_02_sfnt_off00013e5e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13E5E | 10588 bytes |
SHA-256: b7f8b17ce3ddf407e5e1b6a5062596200a230be92c18650e55dbb442a50b69dd |
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