MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to compromised CMS uploads or disposable hosting, indicating a link farm designed to redirect users to potentially malicious content. ClamAV detection and ML classification strongly suggest malicious intent, likely phishing or malware delivery via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://catamma.ru/uplcv?utm_term=schnitzel+without+egg PDF link annotation
- http://wohntraumgmbh.at/julolub.pdfIn PDF document text
- https://sklep-pinokio.pl/web/uploads/files/zifosujek.pdfIn PDF document text
- http://daechienglishpark.com/ckfinder/userfiles/files/debomol.pdfIn PDF document text
- https://editions-tlp.fr/ckfinder/userfiles/files/91193422538.pdfIn PDF document text
- http://steelfurniturecn.com/d/files/30418355236.pdfIn PDF document text
- http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/iu9gaj7h5k8jh63qn34u1h8a24/mililefu.pdfIn PDF document text
- http://krakow4you.pl/krakow/files/43394061903.pdfIn PDF document text
- http://3handseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/161436aaccb4c6---sisenakifamudokupov.pdfIn PDF document text
- https://granitnet.hu/editor_up/30157569512.pdfIn PDF document text
- http://wxbeimei.cn/upload/ckimg/files/202109130303067606.pdfIn PDF document text
- http://fantacyhandicraft.com/userfiles/file/81048202978.pdfIn PDF document text
- https://www.azulejositurry.com/wp-content/plugins/super-forms/uploads/php/files/r2hmf9imojc0s3u7jfohusqk81/22026130766.pdfIn PDF document text
- http://aesg2edcv.handylover.com/upload/files/65768709977.pdfIn PDF document text
- https://actorconseil.com/files/file/70455925405.pdfIn PDF document text
- http://jsqnchem.com/upload/files/3927476229.pdfIn PDF document text
- https://vibangthuaphatlai.net/uploads/files/wodexemi.pdfIn PDF document text
- http://studiopedrazzini.eu/userfiles/files/wenegemijaw.pdfIn PDF document text
- https://o-dance.com/upload/files/nikivukomipoxupuduzamufiw.pdfIn PDF document text
- https://www.hsbofmn.com/ckfinder/userfiles/files/gixebepenudepibutamas.pdfIn PDF document text
- http://kfbma.org/files/fck/file/wojaziwapobanobanufopu.pdfIn PDF document text
- http://kondicionery-dzerzhinskij.ru/upload_picture/file/bopakevogenivafejeferid.pdfIn PDF document text
- http://knowleangling.co.uk/ckfinder/userfiles/files/tumewiboveseda.pdfIn PDF document text
- https://autoandtruckrepair.net/nbloom/fckuploads/file/tatewupa.pdfIn PDF document text
- http://oookub.ru/upload/fckeditor/file/53642298230.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_off0000eac2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAC2 | 19632 bytes |
SHA-256: da243251d8b4e80d6b123a81e7dd8a07c8148c3115d6763c80f9a54c662047ec |
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font_01_sfnt_off00011e3f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E3F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013656.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13656 | 10400 bytes |
SHA-256: fab8c0a26c4e944e8121fbc283629cce68345467ca06464b74806e04d81525bd |
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