MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. The document contains numerous links to external websites, many hosted on compromised WordPress installations or disposable domains, suggesting a link farm designed to redirect users to malicious content. No scripts were extracted, but the presence of external links and the overall structure indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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://chcial.ru/uplcv?utm_term=free+fortnite+item+codes PDF link annotation
- https://suemsas.com/wp-content/plugins/super-forms/uploads/php/files/rbn61rufpi2df7u1bmqjopffs5/43646754409.pdfIn PDF document text
- http://scherzerpc.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/24749844093.pdfIn PDF document text
- https://cuisinescartier.ca/upload/editor/file/memoda.pdfIn PDF document text
- http://tfh-filter.hu/_user/file/91954655577.pdfIn PDF document text
- https://norservis.info/files/files/60141081479.pdfIn PDF document text
- http://hicoweld.com/shop/fck_file/file/79663284612.pdfIn PDF document text
- https://asaptransfers.co.uk/wp-content/plugins/super-forms/uploads/php/files/a907d9c214934c7699a79cb94b4233ac/97006415673.pdfIn PDF document text
- https://cristalparkhotel.com/ckfinder/userfiles/files/vufamemalazolazirilap.pdfIn PDF document text
- http://worldwidestationeryholdings.com/files/file/guzivagamuzodejuvu.pdfIn PDF document text
- http://marchmont.ru/imgs/file/nuvewurafujumiras.pdfIn PDF document text
- https://partnyor.az/userfiles/file/40889529241.pdfIn PDF document text
- https://evpersoneli.net/ev-personeli/file/78118564891.pdfIn PDF document text
- http://fpole.ru/sadm_files/88682319127.pdfIn PDF document text
- http://multi-accueil.fr/ressource/site-image/files/laxevaxogobapa.pdfIn PDF document text
- https://afanasyev-design.ru/wp-content/plugins/super-forms/uploads/php/files/ef2dc8e1444ddae5c1b702257a644b28/82672688244.pdfIn PDF document text
- https://www.wizzfizz.com.au/application/third_party/ckfinder/userfiles/files/tewegazosafilo.pdfIn PDF document text
- http://suspensionestg.mx/userfiles/file/98266183819.pdfIn PDF document text
- https://riverasphotovideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130796f2013b---15596866452.pdfIn PDF document text
- http://allseasonsart.com/uploads/fck_uploads/file/47481778706.pdfIn PDF document text
- http://envigest.cz/upload/file/54168215670.pdfIn PDF document text
- http://beckydavidsonhomes.com/wp-content/plugins/formcraft/file-upload/server/content/files/161447cb7de52e---tozaledewazomik.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_off0000de2a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE2A | 18464 bytes |
SHA-256: 9097a034448f8aca1c3be8058f55d6a724bc4191534e96c51cb63489578e9736 |
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font_01_sfnt_off00010d45.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D45 | 10408 bytes |
SHA-256: 4538abe7f8fa68917364b16e7523da06e9043420d9e501d3d4c74e045e1ba6f6 |
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font_02_sfnt_off000124ce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x124CE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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