MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous external links, many of which point to compromised websites or disposable hosting, indicating a link farm designed to obscure the ultimate destination. The presence of embedded JavaScript and a high ML classifier score further support malicious intent. The primary goal appears to be redirecting users through a series of links, likely for phishing or to download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9970
Heuristics 7
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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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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://it-remarketing.pl/app/webroot/media/files/7428667481.pdf
- https://kudamatsu.org/userfiles/file/77716978276.pdf
- http://sntaviator.ru/ckfinder/userfiles/files/zurovifolud.pdf
- http://princeverma.in/uploads/files/97769710921.pdf
- http://polskienarty.pl/data/aktualnosci_imgs/file/lobunokisafunawinunom.pdf
- http://www.rolstoellift.com/wp-content/plugins/formcraft/file-upload/server/content/files/160759224a0b61---47933420675.pdf
- http://dinskayarealty.ru/media/file/27693759833.pdf
- http://gyorszol.hu/userfiles/file/86122150661.pdf
- https://alariel.be/userfiles/file/24842407206.pdf
- http://tipkeo.com/js/ckfinder/userfiles/files/jafewa.pdf
- http://hoangnamjsc.com/upload/files/bifofopopulodiromevugom.pdf
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/5e8c78d0d9aea929a00359767d3fd71b/57521258629.pdf
- http://aotwresort.org/ckfinder/userfiles/files/68721025239.pdf
- http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160bdec641dfba---rizevi.pdf
- https://baconbites.com/wp-content/plugins/super-forms/uploads/php/files/eag4ifmf7n0q05f1i38vv2au51/lokugonasejuxatesebef.pdf
- http://christopherdallo.com/file/59663618226.pdf
- https://pielinks.com/UserFiles/file/busekobunurosujoribol.pdf
- http://luingpyrex.cz/foto/Image/file/fuzoputagokemiv.pdf
- http://salsainkonstanz.de/media/files/764568398.pdf
- https://fjordancv.info/wp-content/plugins/super-forms/uploads/php/files/935b1227e115e8f293e537c3a38d3355/vogefozonowaguxej.pdf
- https://laughteronlineuniversity.com/images/upload/files/tibeweromowafod.pdf
- https://www.auto-ecole-acm.com/ckfinder/userfiles/files/26819757616.pdf
- http://myblindz.com/fck_user_files/file/82230850549.pdf
- https://adreshosting.com/calisma2/files/uploads/17483515624.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=get+yourself+vaccinated
- 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_off0001000e.bine79eb917051578e3b572fadb064020f08669c3d04c8df09a330e104ffbfa12c0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1000E | 10788 bytes |
font_01_sfnt_off0001191e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1191E | 16792 bytes |
font_02_sfnt_off00013130.bin46624ceece3e03c1eb6dfee427dfbeedf238cc7deb85180cf2627e9f015ea1f3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13130 | 18504 bytes |
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