MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm pointing to compromised WordPress upload storage, suggesting it's used to host or redirect to malicious content. The embedded URLs, while some are marked benign, are part of a larger pattern of hosting files on potentially compromised or disposable domains, typical of phishing or malware distribution campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9909
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://sirikulsteel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3516c6d535---60346918756.pdf In PDF document text
- http://artechq8.com/beta/uploads/files/7205650364.pdfIn PDF document text
- https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607d1eb6e282b---99437353218.pdfIn PDF document text
- https://lockerova.eu/admin/upload/documents/6217448636.pdfIn PDF document text
- https://nestsearch.in/admin/uploads/file/meseluvevukuwafitob.pdfIn PDF document text
- http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607f800c2d90b---1476329328.pdfIn PDF document text
- https://shotclock.ca/wp-content/plugins/super-forms/uploads/php/files/11440cb32c2867d0397177cbdbcb8331/zopukarugene.pdfIn PDF document text
- https://kontiko.com/ktkweb3/images/upload/files/kerififutuzubodawaf.pdfIn PDF document text
- https://lawyerupsmart.com/tempimg/file/43201371695.pdfIn PDF document text
- http://n2nnetworks.com/files/others/86586963712.pdfIn PDF document text
- https://jodhpurtravels.com/nbloom/fckuploads/file/7330614736.pdfIn PDF document text
- https://claphamjunction.com.au/wp-content/plugins/super-forms/uploads/php/files/ca74bd46df69a6d3334615b509a3152d/12877479300.pdfIn PDF document text
- https://www.temsilcifirsatlari.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c94a951d5e---14447591131.pdfIn PDF document text
- https://feriaesotericadeatocha.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae84add1269---62619267851.pdfIn PDF document text
- https://egyediajandekotletek.hu/mvc/userfiles/file/garedutuzutejaginom.pdfIn PDF document text
- http://keramann.ru/uploads/files/kumukufujosesupekopuxov.pdfIn PDF document text
- https://mimpiindah168.com/contents//files/13620062003.pdfIn PDF document text
- https://www.die-umzugsfabrik.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084c1a199ae5---51580977474.pdfIn PDF document text
- https://binarbaid.com/public_html/userfiles/file/73724452771.pdfIn PDF document text
- https://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607e90d382de6---xakux.pdfIn PDF document text
- http://mlsy.cz/images/file/files/14618144622.pdfIn PDF document text
- https://mannerfeltdesignteam.se/ckfinder/userfiles/files/20578887397.pdfIn PDF document text
- https://mymango.ru/wp-content/plugins/super-forms/uploads/php/files/5c8f101fda8c26b34a40e8a2207ca72a/wafozovujodil.pdfIn PDF document text
- https://uudanbury.life/files/file/42716190927.pdfIn PDF document text
- http://www.sparkprototypes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b5ea87011e5---93797216372.pdfIn PDF document text
- http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/s1791sinkhg9ia7htvj2f2mhc4/69838842717.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=bangladesh+country+code+with+mobile+numberPDF 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_off0000d9aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9AA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f1c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1C1 | 11308 bytes |
SHA-256: 59b25e7d6fde4941f58ee01255be8324b01a066eee5beaf5a51cf180dea83ee8 |
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font_02_sfnt_off00010c07.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C07 | 17640 bytes |
SHA-256: 5a074fc91bb5b1434aea4086fcf208eb28dc89bf5d67d22572f9628382e2fcc8 |
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