MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to other PDF files hosted on compromised websites or disposable domains, indicating a link farm designed to distribute malicious content. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing or malware delivery through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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://brucemayrockinstitute.com/assets/ckfinder/core/connector/php/uploads/files/68388869187.pdf In PDF document text
- http://ttc-investco.com/img/files/votafakenululawu.pdfIn PDF document text
- https://betenagro.com/sites/default/files/file/41285870929.pdfIn PDF document text
- http://heatexchangersolution.com/upload_fck/file/2021-9-3/20210903152138725163.pdfIn PDF document text
- https://karlschool.org/uploads/files/202109092138049781.pdfIn PDF document text
- http://csc020.com/userfiles/file/20210901170048_uljr4d.pdfIn PDF document text
- https://limpiezasinasel.com/userfiles/files/lobizetawexagukokub.pdfIn PDF document text
- https://xn--80aaa1anac6cg.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/92258567be7c39cf4969c3663c19ba19/60873637021.pdfIn PDF document text
- https://aquaprosmart.com/userfiles/files/91655180477.pdfIn PDF document text
- https://e-ssuances.com/ckfinder/userfiles/files/waropukadume.pdfIn PDF document text
- https://marwaservicecenter.com/nbloom/fckuploads/file/rerube.pdfIn PDF document text
- http://www.psyforyou.nl/upload/fckeditor/file/gogafugibope.pdfIn PDF document text
- http://www.wiz-fac.com/uploadImg/file/nosisodesekule.pdfIn PDF document text
- http://linza-market.ru/upload/files/77224646136.pdfIn PDF document text
- https://101doctor.com/uploads/ckfiles/files/613988de3f79c.pdfIn PDF document text
- http://hkxhjfc.ltd/uploads/files/20210908044722.pdfIn PDF document text
- https://stayinbranson.com/ckfinder/triplebuserfiles/file/64349886361.pdfIn PDF document text
- https://numen-wow.com/userfiles/cloud/files/11424630655.pdfIn PDF document text
- http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16132e5ca96c78---zetulimabaripiko.pdfIn PDF document text
- https://opsclown.it/ckfinder/userfiles/files/gaperovinubelunuwoziwixo.pdfIn PDF document text
- https://breedlife.com/upload/files/juperujixi.pdfIn PDF document text
- https://functionalmovement.gr/wp-content/plugins/super-forms/uploads/php/files/01241faf472872e019dc6f0a66b22d58/94386550548.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=download+extreme+car+driving+mod+apkPDF 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_off0000bc61.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBC61 | 15612 bytes |
SHA-256: d363af6f306f189b137e05824371149c451bfcc6b1051c70b8edb72d75c2dc3b |
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font_01_sfnt_off0000e40f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE40F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fc26.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC26 | 11036 bytes |
SHA-256: 83bd506ca98c9abe141eff890577c4c89fda26c8a19b0abea54adfd84a1563af |
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