MALICIOUS
204
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, many pointing to compromised WordPress sites and disposable hosting, suggesting a link farm designed to distribute malicious files. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' indicates the document likely instructs the user to open a password-protected archive, a common tactic to bypass gateway security. ClamAV detection further confirms its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
Heuristics 8
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://deurenhanger.nl/userfiles/file/padisamotimozipowubaw.pdf
- http://saovietgroup.com/upload/FCK/file/wetidudab.pdf
- http://brilsports.ro/userfiles/file///80682046682.pdf
- https://www.helpfulhunks.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160b62a3936686---2916529303.pdf
- http://mountmedpharmacy.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160944d0c740ee---24923732458.pdf
- https://christembassyromford.org/wp-content/plugins/super-forms/uploads/php/files/f1ff299081800f7f4769a69f870e5e7b/jador.pdf
- http://mognational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b8ff520560---86523344564.pdf
- https://www.elementstraining.co.uk/wp-content/plugins/super-forms/uploads/php/files/del2368c9h6tsd80kcl0709tpk/34444300230.pdf
- http://say-international.eu/userfiles/file/xogidawawikosolapadewora.pdf
- https://www.sadcmedia.com/wp-content/plugins/super-forms/uploads/php/files/giiorjolttjcrfi9l928nsrcr5/buzoketukuwuxutad.pdf
- https://orangcar.com/app/webroot/upload/files/narajumujoxorav.pdf
- https://lisacutler.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c58cc15ca26---2152957431.pdf
- https://mudateconmigo.cl/wp-content/plugins/super-forms/uploads/php/files/3a79ffb9b29c8b2f23ad82213816d03b/92222668565.pdf
- https://gmonlinestore.com/wp-content/plugins/formcraft/file-upload/server/content/files/160990c91beeca---wugubelusitabigilepu.pdf
- http://dailitara.lt/bites/uploads/file/96100308274.pdf
- https://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160cda9fddff10---47577534245.pdf
- http://teraval.cz/res/file/1528912991.pdf
- https://www.spreefahrten-berlin.de/wp-content/plugins/super-forms/uploads/php/files/mdpe4lr5b0k81m6nhmg0ktn114/fedevejoxofej.pdf
- http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/160c34e23367a8---gebik.pdf
- https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098304062eab---tovawotasewapijuruga.pdf
- http://smcertificationservices.com/userfiles/files/8595878857.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=iroot+apk+for+android+6.0+1+download
- 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_off0000d845.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD845 | 16792 bytes |
font_01_sfnt_off0000f05c.bin2da9111062cd06db3a1b6f47bcca0bf415d28f451e1194defd13d75e764ea7f9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF05C | 10728 bytes |
font_02_sfnt_off00010925.binca2e02d2c4bc78609141848644c98f17dd3050ca3fd88d2264ff2d04a7033329 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10925 | 17060 bytes |
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