MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected by ClamAV as Pdf.Phishing.Trojan and flagged by an ML classifier as malicious. It contains numerous links to compromised websites and disposable hosting, indicating a link farm designed to redirect users. The presence of external URIs and compromised CMS upload links suggests a phishing or malware distribution scheme.
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://allytemp.ru/uplcv?utm_term=unit+test+room+database PDF link annotation
- https://bonvoyageindia.in/ckfinder/userfiles/files/1095449191.pdfIn PDF document text
- http://ambvet-trefontane.eu/userfiles/files/gikalawidarorexunasu.pdfIn PDF document text
- http://ejmk.com/ej/upload/files/79269383201.pdfIn PDF document text
- http://revucue.com/ckfinder/userfiles/files/sudewefewetitajexerikuk.pdfIn PDF document text
- http://wirtrauenuns.ch/images/file/28357677666.pdfIn PDF document text
- http://mid-europe-ex.com/images/blog/file/10697686324.pdfIn PDF document text
- http://doingthing.com/downloads/blog/geust/files/71394647006.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614040bbec4f4---94677205903.pdfIn PDF document text
- https://wineuniverse.us/userfiles/file/33669360783.pdfIn PDF document text
- http://leeharringtonhomes.com/userfiles/file/15300301620.pdfIn PDF document text
- http://ei-windykacja.pl/upload/file/93573800154.pdfIn PDF document text
- http://getvisa.ru/images/File/jukitubatilakovid.pdfIn PDF document text
- https://zhongzing.com/uploads/files/202109170517512161.pdfIn PDF document text
- https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/161431c2b15a38---64281893871.pdfIn PDF document text
- http://www.espace-hotelier.com/ckfinder/userfiles/files/65308889406.pdfIn PDF document text
- https://truckforceone.com/upload/editor/file/susaburedekapowi.pdfIn PDF document text
- http://bamila.vn/luutru/files/36084773572.pdfIn PDF document text
- http://fogathajtohirek.hu/fckfiles/file/72539149660.pdfIn PDF document text
- http://smingames.com/ckfinder/files/86335711798.pdfIn PDF document text
- http://peter-crooks.com/userfiles/file/tesijenugatiselunativosek.pdfIn PDF document text
- https://sipsib.ru/wp-content/plugins/super-forms/uploads/php/files/76181e01543be60009fab19bed445df9/65416525063.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_off0000e2dd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2DD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000faef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAEF | 18580 bytes |
SHA-256: 6e8eb8541441e6ae639c5d02a2db2d42f4f46ab2a15aaeb5ca7ade5f5b8d83bd |
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font_02_sfnt_off00012ba6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12BA6 | 10512 bytes |
SHA-256: 1471699c7afc90b4efe273bee420596536df8bca54d937dfd463f434a5a7a96e |
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