MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links pointing to compromised websites, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The file's structure and embedded URLs are consistent with a campaign that leverages compromised CMS uploads to host malicious documents.
Machine Learning
- Nyx PDF Classifier malicious score 0.9986
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.3dreamchurch.com/wp-content/plugins/super-forms/uploads/php/files/55409cb1fe55cbdadbd97c13397d6b6f/luripewop.pdf
- https://sipsib.ru/wp-content/plugins/super-forms/uploads/php/files/40255d0ade1389533b26b405ff7da8b4/jajorinigudikivepet.pdf
- http://xn--80aadcnaeutgftohcogh8i8dsc.xn--p1ai/pict/file/lagatetozupedixefav.pdf
- https://ecoinkworld.com/wp-content/plugins/super-forms/uploads/php/files/1a10bd8c59d50b581fb1764c403ee9ff/zutasegamepegitimo.pdf
- http://ascensionchina.com/userfiles/file/50237938257.pdf
- https://gservicepz.com/wp-content/plugins/super-forms/uploads/php/files/0f66cc06bec25c408f23b584fd856264/25822236423.pdf
- https://yucekalipmakina.com/tsrm1/img/userfiles/file/lofunetadubexosizewonule.pdf
- https://fleuriste79.fr/ckfinder/userfiles/files/muzovekaserejufupefiku.pdf
- http://metalzilembo.it/userfiles/files/pegajivanesaromapurusen.pdf
- https://yp05.com/_UploadFile/Images/file/natales.pdf
- https://alzubidi.com/userfiles/files/20861164686.pdf
- http://rld-carbon.com/file/75585977536.pdf
- http://cathugo-yachts.de/res/wysiwyg/file/42444199237.pdf
- http://nanopena.cz/upload/file/japofojusegasetevezisune.pdf
- http://vincitydata.com/uploads/ckfinder/files/84702455145.pdf
- http://jcbcharpentebois.com/ressource/site-image/files/puvabupitolir.pdf
- http://xn--80aaaghhaztbcd1agjgbccsgfftf.xn--p1ai/pict/file/zerebexuxuboxowubugumi.pdf
- http://xn--80aaae7amexjfdlfdfg.xn--p1ai/files/file/zetajusafibela.pdf
- http://bora.su/ckfinder/userfiles/files/56206670743.pdf
- https://istanajpdua.com/contents/files/26032442667.pdf
- https://weblative.com/wp-content/plugins/super-forms/uploads/php/files/a3i6v8jbffkdlp5akbh4ob2u9o/32833534515.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=3d+viewer+apk
- 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_off0000b2f4.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB2F4 | 16792 bytes |
font_01_sfnt_off0000cb0b.binb2f1aa01ea4957df6d02d37f5eaab607791e7d450c06998cc7dfc585900ec8cc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB0B | 10168 bytes |
font_02_sfnt_off0000e1f2.bin1f8a1f48e6059814477a71c36e1614ee7f05dfcfa70781da729d3cd4db6bece3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1F2 | 18448 bytes |
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