MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which point to compromised WordPress upload directories or appear to be part of a link farm. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or distributing further malware. The presence of 'utm_term' parameters suggests tracking or redirection, common in phishing campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://ketchas.ru/uplcv?utm_term=cell+spy+stealth+download PDF link annotation
- http://sevimticaret.net/userfiles/file/83287209196.pdfIn PDF document text
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613c06daaec6c---14476009861.pdfIn PDF document text
- https://pgp-puh.hr/fck_media/file/wukedisixewotatevejotafa.pdfIn PDF document text
- https://maturana.cl/upload/file/zixezogedugug.pdfIn PDF document text
- http://ytbozhuo.com/upload/file/180502392597.pdfIn PDF document text
- http://ambcavallon.eu/userfiles/files/56843492067.pdfIn PDF document text
- http://owop.challengersports.com/ckfinder/userfiles/files/16698786732.pdfIn PDF document text
- https://saraelv.no/wp-content/plugins/formcraft/file-upload/server/content/files/1613b0919e570c---69996008540.pdfIn PDF document text
- http://bbbo.handyfriendship.com/upload/files/paxizelisupazexasularisaz.pdfIn PDF document text
- http://theofficefurniturestore.com/ckfinder/userfiles/files/wovipunaliwedemowapibepib.pdfIn PDF document text
- http://songdolandmarkcity.com/userfiles/file/dowebofomeborenazibalaw.pdfIn PDF document text
- http://transcash.com/ci/userfiles/files/73779683633.pdfIn PDF document text
- https://tatsolarlight.com/uploads/files/31687444490.pdfIn PDF document text
- http://xn--b1agjlwjc3g.xn--p1ai/ckfinder/userfiles/files/lesalenafosusif.pdfIn PDF document text
- https://knurussian.kr/DATA/upload/files/202109061413557216.pdfIn PDF document text
- https://quatcongnghieput.com/uploads/files/97041167202.pdfIn PDF document text
- http://zezoalza.com/ckupload/files/17070277976.pdfIn PDF document text
- http://arenabilardo.com/data/_files/lokefimiwije.pdfIn PDF document text
- http://yeongwonenc.com/userfiles/file/945561110.pdfIn PDF document text
- https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1613d1cbd9374f---57371634669.pdfIn PDF document text
- http://taiwan-tsai.com/upload/files/17091383391.pdfIn PDF document text
- http://globalbando.com/DATA/upload/files/202109091054499477.pdfIn PDF document text
- https://gertiesbloomers.com/kousumi/nulook/upload/fckimages/file/sozifinugolob.pdfIn PDF document text
- https://moiatakashta.com/userfiles/file/56922174643.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_off0000b46f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB46F | 14392 bytes |
SHA-256: 7308e72d7de90a93bcde2f1cec65356ee25025110ddb5007547fdb542ab76545 |
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font_01_sfnt_off0000d88d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD88D | 10528 bytes |
SHA-256: 3848cbfe118795761b1e355620546a8e46c09e808dbc315aa43cac2c53bcb53b |
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font_02_sfnt_off0000f0a1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0A1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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