MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of external links, many hosted on disposable domains or compromised CMS uploads, indicating a link farm designed to redirect users. The ML classifier strongly flagged this PDF as malicious. While no scripts were explicitly extracted, the nature of the links suggests a phishing or malware distribution attempt, likely delivered via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9916
Heuristics 5
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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=skater+apk+free PDF link annotation
- http://nuovojob.com/userfiles/files/duvuzimutetiko.pdfIn PDF document text
- http://marinda.ru/pics/images/file/85444135683.pdfIn PDF document text
- https://es21sys.com/userfiles/file/10463185143.pdfIn PDF document text
- https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614d0b0814bad---xuveg.pdfIn PDF document text
- http://sun-green.de/ckfinder/userfiles/files/8127336375.pdfIn PDF document text
- https://kakvkusno26.ru/wp-content/plugins/super-forms/uploads/php/files/53e52e1260ec923423418f1cf2627260/74835980641.pdfIn PDF document text
- http://fmi.lu/userfiles/files/69613365174.pdfIn PDF document text
- http://turystyka.powiatlubartowski.pl/admin/ckfinder/userfiles/files/8132796529.pdfIn PDF document text
- http://tasteofruraleurope.eu/upload/File/18723971200.pdfIn PDF document text
- http://canshu.dlzj.net/upload/files/20210918195411580206.pdfIn PDF document text
- http://www.rajpuc.pl/pics/file/97076959669.pdfIn PDF document text
- http://stauarchitetti.eu/userfiles/files/3627693360.pdfIn PDF document text
- http://teenmag.cz/userfiles/file/fejofasasogebivi.pdfIn PDF document text
- http://inggeo.eu/userfiles/files/50566623428.pdfIn PDF document text
- http://rocb-ap.org/file_media/file_image/file/67996179215.pdfIn PDF document text
- https://samuelben-horin.com/userfiles/file/80033263231.pdfIn PDF document text
- http://cbcom.eu/ressource/site-image/files/29863036084.pdfIn PDF document text
- http://averon.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161403329de3f7---nelow.pdfIn PDF document text
- https://k-newsletter.com/ckupload/files/gewokijodogirutokax.pdfIn PDF document text
- http://4998horo.gmmwireless.com/contents/files/futuzotilebek.pdfIn PDF document text
- https://tefen67.com/userfiles/files/90002169283.pdfIn PDF document text
- https://expomediainc.com/upload/file/20467187064.pdfIn PDF document text
- http://sendedianqi.com/upload_fck/file/2021-9-22/20210922021530965986.pdfIn PDF document text
- http://seamcc.com/UserFiles/files/sokunifavodod.pdfIn PDF document text
- http://montazenabytkupraha.cz/files/file/77019016994.pdfIn PDF document text
- http://asorokolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/bubuxafu.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_off0000b3a3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB3A3 | 9988 bytes |
SHA-256: 365c4e331202d6f7cea17624f0002290eb0c716edbb15f667c1f6f75bcacf0cb |
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font_01_sfnt_off0000c9f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC9F8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e20a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE20A | 14704 bytes |
SHA-256: 75bcd4c385197f4b4dc630b6bee2d9608def6e1859c9e9076e86c74745ef934b |
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