MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1059.007 JavaScript
T1566.001 Spearphishing Attachment
This PDF file contains embedded JavaScript, which is a common technique for initiating malicious actions. The file also contains a large number of embedded URLs, many of which point to compromised websites or disposable hosting, suggesting a phishing or malware distribution attempt. The ClamAV detection and ML classifier further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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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JavaScript action low PDF_JAVASCRIPTPDF contains a /JavaScript action. 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 http://michael-dhom.com/webseiten/file/zatolubaxupoxukuxugadu.pdf
- http://kcwoman.medsoft.kr/pds/userfiles/files/1520197599.pdf
- http://bxbrdh.marketsearching.com/upload/files/72147687087.pdf
- https://www.c2commercial.com/wp-content/plugins/super-forms/uploads/php/files/b8877a4877054200b554574aa103baac/vaviturozamilenifum.pdf
- https://malimbe.africa/wp-content/plugins/super-forms/uploads/php/files/8bd4b4d95d58f66d88c78c25201686ac/6477522721.pdf
- https://betamachinery.sa/other_files/File/daxonup.pdf
- http://hondasushi.com/uploads/files/jusaz.pdf
- https://batikatravels.com/userfiles/file/fuzuragenavoxafid.pdf
- http://houstontca.org/Content/uploads/files/88803940382.pdf
- https://cfaegaianascente.pt/portal/userfiles/files/30809252925.pdf
- https://hostsolutions.ro/app/webroot/files/userfiles/files/fovilupigerabisupuwo.pdf
- http://dtjxbpzx.com/filespath/files/20210918113234.pdf
- http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/16147c6798cbc7---42315989548.pdf
- http://gbfrjournal.org/pds/userfiles/files/vomujokamonasamojolowire.pdf
- http://gazetavk.ru/img/file/nobakadifizebovokiwetiw.pdf
- https://abctranslink.com/ckfinder/userfiles/files/21253199871.pdf
- http://ekogamma.pl/javascript/ckfinder/userfiles/files/69021589070.pdf
- http://studiozoppini.com/userfiles/files/guvilamadit.pdf
- http://ottomaniantextile.com/userfiles/file/lukogujotuxamipuvifedi.pdf
- http://massimosusto.eu/userfiles/files/jidunafop.pdf
- http://www.motocams.cz/ckfinder/userfiles/files/79365622493.pdf
- http://insuralead.com/userfiles/file/vodenaseketosajugejotegab.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=android+sdk+directory+mac
- 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_off0000dbbf.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBBF | 16792 bytes |
font_01_sfnt_off0000f3d6.binf809e662b9a59fa3c80e4a13b6ac16c2fed8db6601797a4868783ac489256927 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3D6 | 10672 bytes |
font_02_sfnt_off00010c5b.bin853de859bfebb53a6aa325d7caf6b772d5603f7a0818fd374a6bfcb0c5d6b1fa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C5B | 18376 bytes |
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