MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and an ML classifier as malicious, with ClamAV detecting it as a phishing trojan. It contains numerous links pointing to compromised websites, suggesting a phishing or malware distribution campaign. The PDF structure and embedded links indicate it is likely part of a link farm designed to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9970
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://oniceh.ru/uplcv?utm_term=philippine+electrical+code+summary
- https://dacinsara.ro/fckfiles/file/mumipajup.pdf
- https://fietenhaardenenkachels.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a374335726e---69044920187.pdf
- https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/bcmc2vqet31jgmjup12309ora2/29156475747.pdf
- http://ecbpolska.pl/wp-content/plugins/super-forms/uploads/php/files/43d17b509caba2b4ac54a0ac24d6ab5a/gonate.pdf
- http://www.ashtralmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160969de287c8d---sepaxoparunagivor.pdf
- https://singaporeroadshow.com/wp-content/plugins/super-forms/uploads/php/files/9357b9157d40219c7df31d0a24fd3638/62450272464.pdf
- https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae266bc36aa---kolan.pdf
- https://areicon.com/images/file/nilogeminelur.pdf
- https://xn--78-6kce7dfhb9dwb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/aba949547dc79267f102251771ffbfb6/jazokokekun.pdf
- https://samarpanbharat.org/trila/userfiles/file/tubafatoruxozixivexalij.pdf
- https://stancijanegrin.com/UserFiles/files/9497941067.pdf
- http://www.kickcommerce.com/userfiles/file/veremuvujekitifodezulusi.pdf
- http://crystal-lamp.ru/uploads/files/witufolilakusirolafap.pdf
- https://precisionautoandac.com/wp-content/plugins/super-forms/uploads/php/files/718778d6eebd576f8ade90dbdbbb8328/jerupelagowos.pdf
- http://www.sandzthabapanel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1606c6c88df442---55577665786.pdf
- http://rhondachem.com/d/files/potupevaboxapetutedir.pdf
- http://kristenpell.com/userfiles/files/59789987087.pdf
- http://madveras.com/ckfinder/userfiles/files/67635723808.pdf
- http://smflow.in/admin/uploads/file/5843508773.pdf
- http://pm-property.pl/userfiles/file/mejemegakagijakogotini.pdf
- https://leavereview.com/customerinterview/ckfinder/userfiles/files/6529240320.pdf
- 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_off0000ee86.binecc2ed8007664d01592a261ac441d330985b65c4eecdd241f1a0600e3586b355 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE86 | 17344 bytes |
font_01_sfnt_off00011bad.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BAD | 16792 bytes |
font_02_sfnt_off000133c4.bin05c9f20bf0c384437fa8d768a889b3ed90417155018ffb4a383e6e38d879f0cb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x133C4 | 10992 bytes |
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