MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many of which are hosted on compromised CMS uploads or appear to be part of a link farm, suggesting a phishing or malware distribution scheme. The PDF structure and embedded URLs point towards an attempt to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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 http://truhlarstvi-strakonice.cz/files/file/38002411453.pdf In PDF document text
- http://vers-ma.de/userfiles/file/falesazakafeg.pdfIn PDF document text
- http://gruaszarate.com/ckfinder/userfiles/files/89232221374.pdfIn PDF document text
- http://windcampus.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131acb61b84b---fesidevotevezereduxora.pdfIn PDF document text
- https://mallncart.com/userfiles/files/14695959960.pdfIn PDF document text
- https://ozsersogutma.com/upload/files/dapalawofinovudi.pdfIn PDF document text
- http://akpanlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/6439210534.pdfIn PDF document text
- https://denimder.org/resimler/files/nuzojugisegakakopedube.pdfIn PDF document text
- http://sinners-party.de/media/file/84984310220.pdfIn PDF document text
- http://jfhcoaching.nl/userfiles/files/66486340286.pdfIn PDF document text
- http://tnslib.net/userfiles/files/39159398586.pdfIn PDF document text
- http://startent.ru/SITE/files/editor/file/72160232523.pdfIn PDF document text
- http://imaginove.eu/data/Files/nuzuki.pdfIn PDF document text
- https://turbooto.vn/upload/files/sobadesajovaroxizevi.pdfIn PDF document text
- http://tuzvedo.hu/elemek/file/24978437848.pdfIn PDF document text
- http://synerfreight.com/syner_upload/images/files/xarefamegivazabol.pdfIn PDF document text
- https://hophamthaibinh.com/upload/files/19759420786.pdfIn PDF document text
- https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613c544d7b2a0---nakuj.pdfIn PDF document text
- https://formapolis.it/wp-content/plugins/super-forms/uploads/php/files/dc4d569754cb8145beb67498934f36ed/luziwiwonez.pdfIn PDF document text
- http://corising.info/sa_upload/userfiles/file/20210913134435.pdfIn PDF document text
- http://dokumsuzgec.com/userfiles/files/giluganakewonofowefopa.pdfIn PDF document text
- http://jocoseatee.com/userfiles/files/vasemadedulibunafiwixivu.pdfIn PDF document text
- https://szallas-karpatalja.hu/upload/46630454554.pdfIn PDF document text
- http://impactpluslearning.com/ckfinder/userfiles/files/faxunulagumal.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=apk+good+lockPDF link annotation
- 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_off0000f436.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF436 | 9908 bytes |
SHA-256: d5446cfee2acbad4414e48c7184748934fafc90c66f58c4941203459c9eb1945 |
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font_01_sfnt_off000109e6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109E6 | 18052 bytes |
SHA-256: 2804c17c1198a4519b786396b26347845636d0f8fc1f51d16d815e81447d98ef |
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font_02_sfnt_off00013885.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13885 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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