MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised WordPress upload storage and other domains, suggesting a link farm designed to redirect users to malicious content. The presence of external URIs and link farms strongly suggests a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://esteticarcare.com/wp-content/plugins/super-forms/uploads/php/files/43cf231d35b710936eba37f13d0261a6/43998345496.pdf
- http://zbraneklapka.cz/ckfinder/userfiles/files/12361038451.pdf
- http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078bd6253831---70615344663.pdf
- https://canvasations.com/wp-content/plugins/super-forms/uploads/php/files/7bdqqkb1k72jjbl50qsk78qb85/nusekogega.pdf
- https://pankalconstructora.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d7425a9b1b---lidebuzepaliwed.pdf
- http://springswellness.net/wp-content/plugins/formcraft/file-upload/server/content/files/1609014a7a63ae---793390934.pdf
- http://www.gainerwindows.ca/wp-content/plugins/super-forms/uploads/php/files/76junf85iic0kh2j2bn2qamst3/gilikezamulolemikomadap.pdf
- http://chupanhnoithat.vn/upload/files/zabusuvulid.pdf
- http://sungsam.net/userData/board/file/vaweborugumozasikewani.pdf
- https://isabellepieman.com/userfiles/file/pekuvetifojadavuwaxo.pdf
- https://7gking.tw/upload/files/pasuz.pdf
- http://royalgroup.at/tmp/tijutuvuxiwijavuzi.pdf
- https://nutricount.cz/UserFiles/File/85045257936.pdf
- http://sieckultury.pl/wp-content/plugins/super-forms/uploads/php/files/cdbcda0007e1d927565bb4a87bfc2d54/50702028103.pdf
- https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c927486a34---63168120700.pdf
- http://cjatkinson.com/userimages/bizikujapeze.pdf
- https://alignerco.com/wp-content/plugins/super-forms/uploads/php/files/cef4e0be7fceb51adddb39c8664db609/41991479684.pdf
- https://sinarwaja.com/account/files/65732588211.pdf
- http://dolphinegypt.net/userfiles/file/vubimegepivamumenawejin.pdf
- https://provisionsinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608248ff5a681---navegujabuxijezojulavuvo.pdf
- https://inclinedigital.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0b455521a8---kivikiwotanaw.pdf
- http://bhs-class1957.com/clients/35434/File/57309268833.pdf
- http://market-oborudovanie.ru/upload/file/89034983339.pdf
- https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160e93fc27218c---lulimugug.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=moore+middle+school+lawrenceville+ga
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d9d8.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9D8 | 16792 bytes |
font_01_sfnt_off0000f1ef.bin581679b4d9f54b408c934c062ac1648cd9b29eba1d92ecd9a6f8ef7ddb027cb8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1EF | 10864 bytes |
font_02_sfnt_off00010aad.bin57c0aa8f4f4700d05458f62bc9e4b531a6928b3cee2810a1ff37cfb1935ff243 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10AAD | 16728 bytes |
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