MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous embedded URLs pointing to compromised WordPress sites, suggesting a phishing or malware distribution scheme. The presence of external URI links and compromised CMS upload links further supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
Heuristics 6
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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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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://crewmak.ru/uplcv?utm_term=how+to+use+your+phone+as+a+webcam+for+discord PDF link annotation
- http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133ea82e156a---87493600158.pdfIn PDF document text
- http://yakutiaprime.ru/SITE/files/editor/file/timad.pdfIn PDF document text
- https://valeaflorilor.ro/img/uploads/file/kaweziwewalokap.pdfIn PDF document text
- http://envigest.cz/upload/file/42458422437.pdfIn PDF document text
- http://palirna-frydek.cz/uploaded/file/10454090527.pdfIn PDF document text
- https://myvideoclasses.com/ci/userfiles/files/bobumaxabomaxakuluku.pdfIn PDF document text
- https://regenerativetherapyforpain.com/wp-content/plugins/super-forms/uploads/php/files/3e70484770239518258c62e39aaec43c/97880268896.pdfIn PDF document text
- http://finara-v.com/file_media/file_image/file/nadatobir.pdfIn PDF document text
- http://www.phonefixcomo.com/wp-content/plugins/formcraft/file-upload/server/content/files/161448acd5f932---pavoxuxinipifodisewe.pdfIn PDF document text
- http://net-marketing.hu/images/files/9220387575.pdfIn PDF document text
- http://kondicionery-dzerzhinskij.ru/upload_picture/file/vekobetowikefitevikulaf.pdfIn PDF document text
- https://toliveinchristjesus.ceosale.catholic.edu.au/application/third_party/ckfinder/userfiles/files/33168679078.pdfIn PDF document text
- http://tochalco.com/uploads/files/gemibuxerijagerewofeta.pdfIn PDF document text
- http://avalon-essenzen.at/userfiles/file/47181247023.pdfIn PDF document text
- http://hart-metale.pl/gimnazjum/userfiles/file/jojetafupomijibunipesa.pdfIn PDF document text
- http://premiumdrinks.eu/userfiles/tikijiluxi.pdfIn PDF document text
- http://haisushitogo.com/uploads/files/96954413240.pdfIn PDF document text
- http://greddy.com/admin/common/ckfinder/userfiles/File/zililoloruwupop.pdfIn PDF document text
- http://wgadget.com/file_media/file_image/file/61335137467.pdfIn PDF document text
- http://firegallery.ru/img/upload/93865825437.pdfIn PDF document text
- http://turhantur.com/turhantur/files/51149257528.pdfIn PDF document text
- http://edituj.cz/res/file/wiwukekijalenebu.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_off0000ce6d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE6D | 17120 bytes |
SHA-256: b3c046b4df06494ae073c7dbd6317db59e9f2b67ab813449cd4a522643702c63 |
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font_01_sfnt_off0000fadc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFADC | 11268 bytes |
SHA-256: e1760f1bd07ffd45a827159d349dbdd61e46fdb6883293c58ec14d5334acf564 |
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font_02_sfnt_off000114f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x114F8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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