MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to disposable hosting or compromised CMS upload directories, forming a link farm. The presence of these links suggests an attempt to lure users to external sites, likely for credential harvesting or further malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 6
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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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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://allytemp.ru/uplcv?utm_term=hacks+for+phantom+forces+2021 PDF link annotation
- http://www.c-l-r-p.com/admin/ckfinder/userfiles/files/91247936294.pdfIn PDF document text
- https://e-uchebnici.com/img/file/balopebowiwesezipew.pdfIn PDF document text
- https://protum.se/file/sasasivamemibebu.pdfIn PDF document text
- http://skomi.ru/img/files/file/4005369511.pdfIn PDF document text
- https://yellowstonewildlife.com/dorenatufijawap.pdfIn PDF document text
- http://sabaparsian.com/ckeditor/files/files/porenipi.pdfIn PDF document text
- http://christmaslandint.com/userfiles/20580477889.pdfIn PDF document text
- http://ivepe-elearning.gr/assets/UserFiles/mainHome/file/molusujalesipejaninixud.pdfIn PDF document text
- https://turkeyinsurance.info/images/file/zojeg.pdfIn PDF document text
- https://www.frankcapassoandsons.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ff15a31f80---98254426389.pdfIn PDF document text
- https://studiopros.com/userfiles/file/In PDF document text
- http://xn----dtbsgbucafmmaf.xn--p1ai/servimages/editor/files/79610833149.pdfIn PDF document text
- https://k-newsletter.com/ckupload/files/61560760477.pdfIn PDF document text
- http://idevicesplus.nl/app/webroot/files/userfiles/files/60359035110.pdfIn PDF document text
- https://ncfouting.com/wp-content/plugins/formcraft/file-upload/server/content/files/161343f5918570---7156985001.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140902e991ed---32904379326.pdfIn PDF document text
- https://huaienclinic.com/uploadpic/files/45932392639.pdfIn PDF document text
- http://baihsad.com/userfiles/files/20210919_121116.pdfIn PDF document text
- http://architettotamborra.eu/userfiles/files/63268541310.pdfIn PDF document text
- https://china-glass-mosaic.com/userfiles/files/20210902_080521.pdfIn PDF document text
- http://ebd.su/UFD/7623/files/lavetasavise.pdfIn PDF document text
- http://nova-auto.com/upload/31183330206.pdfIn PDF document text
- https://kaemsp.org/upload/editor/file/34388380461.pdfIn PDF document text
- http://17njl.com/userfiles/files/musonara.pdfIn PDF document text
- https://www.willmarshelter.com/ckfinder/userfiles/files/10107457769.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_off0000d77e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD77E | 18744 bytes |
SHA-256: 3eef682b55d6349e6f68b1048e0f46fd53e6e82f5780329f97cc0cd1f717796e |
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font_01_sfnt_off000108cc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108CC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000120e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120E3 | 10984 bytes |
SHA-256: 475fbd66d19b9239632246d84ead3f78ec4236826f8d235a709423951d618606 |
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