MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and ML classifiers, indicating a high likelihood of malicious intent. It contains an embedded JavaScript stream and numerous URLs, many pointing to compromised WordPress sites acting as a link farm. The presence of a QR code lure suggests a phishing or social engineering attempt to redirect users to malicious content. The embedded JavaScript likely facilitates the execution of further malicious actions or downloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9888
Heuristics 8
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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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QR-code redirect lure medium SE_QR_LUREDocument instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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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://laborke.ru/uplcv?utm_term=google+contacts+app+android PDF link annotation
- http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137d4fb4d52d---salenalezo.pdfIn PDF document text
- http://pomodorolennep.de/gfx/userfiles/files/lufejetabulezobab.pdfIn PDF document text
- http://swaving-stalinrichting.nl/ckfinder/userfiles/files/13320881325.pdfIn PDF document text
- http://xn----8sbaqfskngn1qi.xn--p1ai/userfiles/file/81398198015.pdfIn PDF document text
- http://szkolaprywatnaleszno.pl/userfiles/file/77347463878.pdfIn PDF document text
- https://www.rongoldmanlaw.com/system/js/back/ckfinder/userfiles/files/fotusesodududigik.pdfIn PDF document text
- http://xn--zb0bw3kv4s8mn.com/upload/fckeditor/file/34769417333.pdfIn PDF document text
- http://marchmontnews.com/imgs/file/12803726613.pdfIn PDF document text
- https://mwasafat.com/uploads/files/39650999984.pdfIn PDF document text
- http://zubrcup.by/files/files/29582206624.pdfIn PDF document text
- http://costruzionibulagna.it/userfiles/files/vuvowurodonefirosubib.pdfIn PDF document text
- https://servicepapik.ro/files/bidewuw.pdfIn PDF document text
- http://chia4kids.ru/ckfinder/userfiles/files/9603218746.pdfIn PDF document text
- http://sochi-riba.ru/ckfinder/userfiles/files/xafebasusax.pdfIn PDF document text
- https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f97f07bf09---93943827608.pdfIn PDF document text
- http://goteneplast.se/files/images/file/manifipupagejonesivuwux.pdfIn PDF document text
- http://architettoangeli.it/userfiles/files/tofujifokajabavuganu.pdfIn PDF document text
- http://clubesquilacoma.com/uploads/files/60634991204.pdfIn PDF document text
- https://trade.inter-ural.ru/ckfinder/userfiles/files/livinebotefako.pdfIn PDF document text
- https://vwb.mrv-educationservices.com/content_file/files/nezow.pdfIn PDF document text
- http://gddfboiler.com/uploads/files/garinunilotaj.pdfIn PDF document text
- http://orderleesushi.com/uploads/files/fixizovotiroguge.pdfIn PDF document text
- http://x04ydivan.ru/userfiles/file/27065843939.pdfIn PDF document text
- https://olympicwroclaw.pl/zdjecia/fck/file/21454062506.pdfIn PDF document text
- http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613bfd0397bf9---60494820852.pdfIn PDF document text
- http://alianzablue.com/aym_image/files/68944366333.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010dd9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DD9 | 18608 bytes |
SHA-256: a8d48ad176a01d23080ec0fbfd06faed47e7aa41c93863c07c08e00403c6d6e8 |
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font_01_sfnt_off00013da5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13DA5 | 10728 bytes |
SHA-256: f0d822006458c675aa8004659191d875bc95d43df793b90e3541cd1ec385bfaa |
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font_02_sfnt_off00015641.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15641 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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