MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a link farm directing users to multiple websites hosted on compromised CMS platforms, as indicated by the 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' and 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristics. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or distributing further malware. The embedded URLs are the primary indicators of compromise.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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 http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/12e91rr5kc2c3ikvvlm4j4ko15/pazegelime.pdf In PDF document text
- https://autoparkalbanese.it/file/korupizuge.pdfIn PDF document text
- https://nhahangphongcanh.com/uploads/files/96447255460.pdfIn PDF document text
- http://associacaoguainumbi.org.br/wp/wp-content/plugins/formcraft/file-upload/server/content/files/1608d09376dbae---2084183128.pdfIn PDF document text
- http://raduzhniy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160948990528a0---76940721879.pdfIn PDF document text
- https://www.arphplumbing.co.uk/wp-content/plugins/super-forms/uploads/php/files/j5fn2t571r4j8ar8b8ogd7861d/pamovajapolafadasex.pdfIn PDF document text
- http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609ad1cdacd22---64048337865.pdfIn PDF document text
- https://claphamjunction.com.au/wp-content/plugins/super-forms/uploads/php/files/90bf016f31366035cdf4eca2b5517e0a/52547708803.pdfIn PDF document text
- https://www.horisunmauritius.com/wp-content/plugins/super-forms/uploads/php/files/fbd959088f50b79d01a88762747e610d/menajazon.pdfIn PDF document text
- https://www.heracles-hotel.eu/wp-content/plugins/super-forms/uploads/php/files/g3jqhjjlervdqu2pua602qts7k/kadetanafimix.pdfIn PDF document text
- http://www.patricktennis.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608147421d0b5---36676485308.pdfIn PDF document text
- https://indacphuc.com/wp-content/plugins/super-forms/uploads/php/files/matpgujag6qesnaqejja4uh8h8/xikavodutojaz.pdfIn PDF document text
- https://cabsfromheathrow.com/userfiles/file/54685983644.pdfIn PDF document text
- http://geoodwierty.pl/files/file/xonozodetitorup.pdfIn PDF document text
- http://www.training4thefuture.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16092266b4e90d---86306147705.pdfIn PDF document text
- http://www.eflox.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607d9f3ad859e---25169244168.pdfIn PDF document text
- https://criteriacambio.com.br/wp-content/plugins/super-forms/uploads/php/files/t4qg9s8125hr4v58iate4lv557/71348352240.pdfIn PDF document text
- http://blpest.com/UserFiles/file/muzifubebidan.pdfIn PDF document text
- http://bestforfishing.com/wp-content/plugins/super-forms/uploads/php/files/19610740421cb37fcfe5f9745623b472/fofokinibukisatamofesaze.pdfIn PDF document text
- http://broadviewlibrary.org/uploaded_bvlib/file/fopomawugesipepisizavure.pdfIn PDF document text
- http://outspokenholland.com/userfiles/fckFile/20210601125951.pdfIn PDF document text
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/9f35fa633843180427ca156ccebcace8/fibikido.pdfIn PDF document text
- https://voicelux.ru/wp-content/plugins/super-forms/uploads/php/files/17234fe12152e2403634e6776b4f6380/96031004740.pdfIn PDF document text
- https://fortlauderdale-carservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c0a6bced76---41146324537.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=eat+nutritious+foodPDF 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_off0000fa50.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA50 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011267.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11267 | 10252 bytes |
SHA-256: 01d4283232d85af6ca7af4f6d94e60dd7e7b5e942c81b5be11c92e2422e85ae3 |
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font_02_sfnt_off00012989.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12989 | 17140 bytes |
SHA-256: b0df8e55e08a79af150eecae6f1f31b412783c6e08e2af4790ce12b984de1948 |
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