MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, with numerous URLs pointing to compromised WordPress upload directories, suggesting a phishing or malware distribution scheme. The presence of external URIs and link farm characteristics strongly supports a malicious intent to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9920
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://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/160b493908db4e---98536654080.pdf In PDF document text
- http://riviera.az/userfiles/file/62034052381.pdfIn PDF document text
- http://lesmashclub.com/imgUpload/files/99050581666.pdfIn PDF document text
- https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/10f305ec3ba8c01e63b83aff910239a3/romiritexezudoze.pdfIn PDF document text
- http://kadh.kr/bobod/upload/file/lisiro.pdfIn PDF document text
- https://www.cr-sdc.org/wp-content/plugins/super-forms/uploads/php/files/69b34d80876c23b3967ca5b8f2ff5744/kapasobumorazajobizedi.pdfIn PDF document text
- https://semagro-msw.ru/pics/images/file/kuvexuwo.pdfIn PDF document text
- http://jakpaisanestate.com/images/upload/files/jawoperekagavirededi.pdfIn PDF document text
- https://balajihighfields.in/userfiles/file/13131985679.pdfIn PDF document text
- http://liveisagenix.com/ckfinder/userfiles/files/40554567065.pdfIn PDF document text
- https://bnbcostaverde.it/userfiles/file/66713624748.pdfIn PDF document text
- https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/dc0cc6530cc6bf6d47874fae27e0b79b/vojola.pdfIn PDF document text
- http://drivingtesttips.ie/fckeditor/userfiles/file/55301215605.pdfIn PDF document text
- https://cfi-registration.org/buzzboxgift/img/userfiles/files/bomamigokare.pdfIn PDF document text
- http://essiac.cz/UserFiles/file/jogopasuzijivif.pdfIn PDF document text
- http://sazjah.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077ae84ea4d3---kevexegotapajeguzuwaj.pdfIn PDF document text
- https://www.kuwaitpolyurethane.com/ckfinder/userfiles/files/33916183552.pdfIn PDF document text
- https://elmawadah.com/userfiles/file/65788631667.pdfIn PDF document text
- https://kalatranslation.co.uk/wp-content/plugins/super-forms/uploads/php/files/hn79eglrc0lt76ahlprvbin43a/vekuxudiz.pdfIn PDF document text
- https://haps.company/wp-content/plugins/super-forms/uploads/php/files/3m0dqccb6rhmg3p271fo1f2t01/86469593675.pdfIn PDF document text
- http://kapalishakti.com/ckfinder/userfiles/files/niwevowuleziz.pdfIn PDF document text
- http://counterreaction.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608c9d52a5ebf---7978021596.pdfIn PDF document text
- https://dungcuruamui.com/wp-content/plugins/super-forms/uploads/php/files/34lag31h0ajqvf88sg26409dml/nezokarasologa.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=problemas+1+eso+numeros+naturales+pdfPDF 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_off0001f07c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1F07C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0002088e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x2088E | 23752 bytes |
SHA-256: 8ce6d8ff7b72a63aa6dcb6571feeee3d7a1eeff4d4d9150f7383c65fdbc67dba |
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font_02_sfnt_off000244b4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x244B4 | 10860 bytes |
SHA-256: ef71edf5006d15781af04acb07f6d1de195c40d5b23dbe067e58a78070a7f380 |
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