MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains a link farm pointing to multiple compromised WordPress sites, likely serving as a redirector to malicious or phishing content. No scripts were extracted, but the structure suggests it's designed to lure users into clicking on these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9963
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://noukos.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160b857fad4cbb---80195336350.pdf
- http://iglozawiercie.pl/zdjecia/file/dogifigawuluwemavano.pdf
- https://machinex-machines.com/UserFiles/File/43993220239.pdf
- http://kovacsoltvaskerites.hu/images/file/jimafudav.pdf
- https://xn--i1aam8cb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/5861a340582aa699b8fa86b64230e18f/24972735184.pdf
- http://ifaistos.reality.gr/~triantaf/images/file/bidus.pdf
- https://eclipsetheaters.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bea671f0b8---16426713546.pdf
- https://ludifrance.fr/userfiles/file/49882654488.pdf
- http://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094b340d6fbe---54544267100.pdf
- http://ranjitabiswas.com/userfiles/files/74558952747.pdf
- https://acethamessecurity.co.uk/wp-content/plugins/super-forms/uploads/php/files/26db8bce78542c960e1988c76a5d0015/rugabaxaj.pdf
- http://bwc.lt/i/jerixivorolo.pdf
- https://watfordfairtrade.org/app/webroot/img/files/kumonasotela.pdf
- http://harryreichert.de/uploaded_pics/News/file/bakex.pdf
- https://aquariumfargo.com/wp-content/plugins/super-forms/uploads/php/files/069a9dfc2c25aa31299991cb4f91f12d/31854971559.pdf
- https://dtcprojects.com.au/wp-content/plugins/super-forms/uploads/php/files/bhfea7pgth96591qn35tjr6qa6/62744999805.pdf
- http://fogathajtohirek.hu/fckfiles/file/juzukafumukutumepulupop.pdf
- https://songhong.info/userfiles/file/68349200437.pdf
- http://duszek-lasu.pl/userfiles/file/67301681224.pdf
- https://baohohoanglong.com/userfiles/file/66971731906.pdf
- https://adasms.fr/userfiles/file/lawalokafefebom.pdf
- http://iccj.jp/images/uploads/fckeditor/file/vamekivipoliluladavaw.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=go+air+web+check+in
- 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_off0000cc58.bin05df307e00c44a560cf7b7d7bb7f75b0a2776657a754b26ec6660de9d93e1296 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC58 | 17300 bytes |
font_01_sfnt_off0000f8af.bin58c6d2315221e5f66f89b31b9a657309772a924c47088c869cf7016da9909be6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8AF | 10372 bytes |
font_02_sfnt_off00011023.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11023 | 16792 bytes |
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