MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs that point to compromised CMS uploads and disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The presence of external URI heuristics further supports the attack pattern of luring users to external resources.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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=how+to+transfer+pictures+from+gallery+to+sd+card PDF link annotation
- http://dydlhx.com/upfiles/file///55809080971.pdfIn PDF document text
- http://dirpub.org/editor/ckfinder/userfiles/files/16453567430.pdfIn PDF document text
- http://xn--o79av69abka850ab6c.com/upload/file/202109012247490314.pdfIn PDF document text
- http://songdolandmarkcity.com/userfiles/file/45684699856.pdfIn PDF document text
- http://massarentearchitettura.com/userfiles/files/17294923264.pdfIn PDF document text
- http://www.alliance-bio.com/user_data/editor/ckfinder/core/connector/php/upload/files/64540706034.pdfIn PDF document text
- http://namadagaskare.ru/ckfinder/userfiles/files/banasesanuwolosuvotifelin.pdfIn PDF document text
- http://feldbach-tourismus.at/files/duxemik.pdfIn PDF document text
- http://gruaszarate.com/ckfinder/userfiles/files/53388822312.pdfIn PDF document text
- http://abwpetersburg.com/uploads/files/90057430248.pdfIn PDF document text
- http://shinserviceodi.ru/wp-content/plugins/super-forms/uploads/php/files/fca89864764062ebe574ee6606da811d/64929383059.pdfIn PDF document text
- http://orikon.net/Images_upload/files/41298979526.pdfIn PDF document text
- http://allier-genealogie.org/File:/13353695062.pdfIn PDF document text
- http://matrixuniverzum.eu/wp-content/plugins/formcraft/file-upload/server/content/files/161383314b837a---3386073880.pdfIn PDF document text
- http://kaupa.cz/userfiles/file/kofobusomupikomexefefu.pdfIn PDF document text
- http://mobilpetrol.olajpark.hu/files/files/lugiruzajiwab.pdfIn PDF document text
- https://elsadaulte.com/ckfinder/userfiles/files/93590997085.pdfIn PDF document text
- https://usgcambodia.com/userfiles/file/telidojinapunonegizov.pdfIn PDF document text
- https://madame-tina.com/ckfinder/userfiles/files/35398383240.pdfIn PDF document text
- https://bikeid.net/ckfinder/userfiles/files/753118534.pdfIn PDF document text
- https://uudanbury.life/files/file/baxisunam.pdfIn PDF document text
- http://ilsogno-bomboniere.com/userfiles/files/5150636278.pdfIn PDF document text
- http://katachizu.com/img/news/files/68967655396.pdfIn PDF document text
- https://ketgate.eu/wp-content/plugins/super-forms/uploads/php/files/80505b7da8b304fc79fe1d618f6e08d7/buvupafitapivikinujexozi.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_off0000d092.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD092 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e8a4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8A4 | 17856 bytes |
SHA-256: 65717d1b339259cfdf56bb897b9d5d068d2e919a9a9bd308194bae649f272654 |
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font_02_sfnt_off0001169a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1169A | 11252 bytes |
SHA-256: abb69e2e2a3a3ad4b22cadad181588cfc8c55cde9bffa800cb34ccc0c14019b6 |
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