MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample is a PDF file flagged by ClamAV as 'Pdf.Phishing.Trojan'. It contains embedded JavaScript and a significant number of external URIs, many of which point to compromised WordPress sites. These links likely serve as a link farm to distribute malicious content or redirect users to phishing sites, indicating a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://cructi.ru/uplcv?utm_term=broom+is+what+type+of+simple+machine PDF link annotation
- https://soba05.org/wp-content/plugins/super-forms/uploads/php/files/d8b14fcbf8b6411bb2f215c9cf94292f/zelinak.pdfIn PDF document text
- http://eske.hu/wp-content/plugins/formcraft/file-upload/server/content/files/160a66885b6724---1379179802.pdfIn PDF document text
- http://ballstonfamilymedicine.com/clients/861402/File/41472146496.pdfIn PDF document text
- https://okazdedziecko.pl/_files/Media/file/jepijajisaves.pdfIn PDF document text
- https://topclassgreenery.nl/images/file/kibimefevofulubalefe.pdfIn PDF document text
- https://www.axelendinggroup.com/wp-content/plugins/super-forms/uploads/php/files/d466ddb6afa0c71e47862d7b22dcdd5e/namerusub.pdfIn PDF document text
- http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/973409cl977hr4hbriljl2a815/98095801124.pdfIn PDF document text
- https://www.bouwenaaneensterkwerkgeversmerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1606d3ac27c161---pobob.pdfIn PDF document text
- https://fitnessrev.net/wp-content/plugins/super-forms/uploads/php/files/fiumqvmuvbq7u7vq396n03k2df/sewiz.pdfIn PDF document text
- https://adsbudget.net/userfiles/file/xiguwuza.pdfIn PDF document text
- http://www.tecnobor.com/ckfinder/userfiles/files/95912496624.pdfIn PDF document text
- https://e-lightingcontrols.com/wp-content/plugins/super-forms/uploads/php/files/a56c907bd5c82e26a72b6a7977a5bcba/jotakufej.pdfIn PDF document text
- http://chinahongji.com/d/files/32260740436.pdfIn PDF document text
- https://ises.ca/phpsites/vertical_living/uploads/file/ropix.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e0f9880ad07---xenupasopagunepabuf.pdfIn PDF document text
- http://lezeckastenakosice.sk/upload/files/87029695382.pdfIn PDF document text
- https://abe-rdc.com/userfiles/file/sozapexixigite.pdfIn PDF document text
- https://www.swx.global/wp-content/plugins/super-forms/uploads/php/files/7a02af4fbd508155dcc09c374ec83d25/vifopaperasetu.pdfIn PDF document text
- http://93564497.com/userfiles/52667702919.pdfIn PDF document text
- https://cafeau1ait.xyz/js/ckfinder/userfiles/files/12543150657.pdfIn PDF document text
- http://altaprecision.com/userfiles/file/7552063470.pdfIn PDF document text
- http://cementfeet.com/userfiles/file/jofiwunumapubom.pdfIn PDF document text
- https://www.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609a664e72b61---13276219232.pdfIn PDF document text
- https://taichielite.com/louis/taichi/ckfinder/userfiles/files/64139489612.pdfIn PDF document text
- https://balaji-technology.com/userfiles/file/tirudizodewawuga.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_off0000e897.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE897 | 16888 bytes |
SHA-256: fc9a9ba266a06fce0fd707c06517b530dae16bfea67ab92b355ac5d8f2aed2cf |
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font_01_sfnt_off000114ac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x114AC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012cc3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12CC3 | 10996 bytes |
SHA-256: 654f0060efddae2dd1bc82515ec4470ca57f6d049440088feed0dd2f5f1e4a79 |
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