MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains embedded JavaScript and a large number of external links, many of which point to compromised websites or disposable hosting, suggesting a phishing or malware distribution scheme. The presence of embedded JavaScript (T1059.007) is a common technique for exploiting PDF vulnerabilities or initiating further malicious actions.
Machine Learning
- Nyx PDF Classifier malicious score 0.9937
Heuristics 7
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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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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://nomylo.ru/uplcv?utm_term=dragon+ball+broly+123movies
- http://toanlinh.vn/upload/files/37904364521.pdf
- http://studiolegalebisantis.it/userfiles/files/jarojepufinipelezabek.pdf
- http://www.webtony.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1612f1008e2b01---73597413466.pdf
- http://irk-yoga.ru/upload/files/pokenikume.pdf
- https://canionglobal.com/FCKeditor/file/mogowes.pdf
- https://krassimirtaskov.com/userfiles/files/42874981099.pdf
- https://iamtimeshare.com/userfiles/file/18101890766.pdf
- http://ultraljud.nu/bild/files/63890453110.pdf
- http://noavarservice.com/ckfinder/userfiles/files/bedanefeno.pdf
- https://tndvn.com/js/ckfinder/userfiles/files/pekitutipawepido.pdf
- http://noospc.ru/SITE/files/editor/file/95911603431.pdf
- https://menu2uplus.com/images/file/depawagubigutabolafimogew.pdf
- http://www.ausafrica.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1613be82423cf4---68393248804.pdf
- http://aaaexpressheating.com/userfiles/file/87237058541.pdf
- https://liftsystems.ro/LiftFiles/file/95683485200.pdf
- https://santaclara.com/wysiwygfiles/file/murogemasumat.pdf
- http://internet-trade.eu/UserFiles/file/44414801455.pdf
- http://chinasoftcore.com/userfiles/file///9322684766.pdf
- https://truckforceone.com/upload/editor/file/legivevazozoralis.pdf
- http://solo-reisen.com/media/images/file/98101942503.pdf
- http://grupomarsamo.com/wp-content/plugins/formcraft/file-upload/server/content/files/161323546a3f53---41186345245.pdf
- https://aramlasmerok.hu/uploads/file/zinevesagosapizelekimutu.pdf
- http://comicpapyrus.com/wp-content/plugins/super-forms/uploads/php/files/a95ed7f282660d523c1056c9fde39fbf/53276916883.pdf
- http://w-mill.jp/images/file/perataradegategujodativ.pdf
- http://quangcaosmsgiare.com/media/ftp/file/fifawapute.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_off0000f833.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF833 | 16792 bytes |
font_01_sfnt_off00011045.binf3d9da8180f1efd6dabae36f699fcf7288951c03653d4038ea1e2032fa5e54d4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11045 | 18896 bytes |
font_02_sfnt_off000141d9.bin088e7772f4af185e98e09180a439a3644a5a22ef99dc70b25aaa9ad33e1bcfe4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x141D9 | 11016 bytes |
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