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. Heuristics identified it as a PDF link farm hosted on compromised CMS uploads, with numerous distinct hosts and disposable domains, suggesting a phishing or malware distribution scheme. The embedded URLs, such as 'https://nomylo.ru/uplcv?utm_term=how+much+is+one+pint+in+grams', are likely used to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://nomylo.ru/uplcv?utm_term=how+much+is+one+pint+in+grams PDF link annotation
- https://amagi.la/wp-content/plugins/formcraft/file-upload/server/content/files/16095ede625355---8849899632.pdfIn PDF document text
- https://mindweave.co.uk/wp-content/plugins/super-forms/uploads/php/files/ps4q0bo8enfvl3lr63skt531db/82052168770.pdfIn PDF document text
- http://www.masozilina.sk/ckfinder/userfiles/files/wigipejinavojoxixisix.pdfIn PDF document text
- http://clarksville.net/wysiwygfiles/file/jeragos.pdfIn PDF document text
- http://www.ambredore.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609cc04e17eeb---7533860165.pdfIn PDF document text
- http://www.zulfugar.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16099d61f19450---bodos.pdfIn PDF document text
- http://alexhoffordphotography.com/temp/files/file/53218218107.pdfIn PDF document text
- http://darec.sk/files/files/91705951583.pdfIn PDF document text
- http://orderbestwings.com/uploads/files/11278552805.pdfIn PDF document text
- http://digemnd.com/UserFiles/file/semabekitefinifitupo.pdfIn PDF document text
- https://nikken-engineer.jp/export/sd205/www/jp/r/e/gmoserver/8/6/sd0748886/nikken-engineer.jp/fckeditor/upload/file/zunit.pdfIn PDF document text
- http://veterinariomauracotti.it/userfiles/files/samekaliberetuvevex.pdfIn PDF document text
- https://www.hdontheroadnapoli.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609eb8fa8e653---bifusomijadikadasur.pdfIn PDF document text
- http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d9ac96acb45---pukapin.pdfIn PDF document text
- https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160d4224f4f05b---94434234109.pdfIn PDF document text
- https://www.ergunaygoren.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071a2ad40b74---julukaxawevex.pdfIn PDF document text
- https://laatjehuisweerstralen.nl/upload/file/rutomejifijizaf.pdfIn PDF document text
- http://marathon-gexin.com/Uploadfiles/files/sozamilavofofigomukipufo.pdfIn PDF document text
- https://gbagencement.fr/uploads/file/siwibujirakesez.pdfIn PDF document text
- http://kagoshimakojintaxi.com/userfiles/file/ponokegebajaropimipisul.pdfIn PDF document text
- https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16098969e9538c---vowidop.pdfIn PDF document text
- https://elbag.net/wp-content/plugins/super-forms/uploads/php/files/95d18d9c54033bbbea10a7c634f1d203/72264356187.pdfIn PDF document text
- https://www.hinogas.com/wp-content/plugins/super-forms/uploads/php/files/ch6j8rdeegud2o8ei5trgs73hd/2467972676.pdfIn PDF document text
- https://bistro-8.com/wp-content/plugins/super-forms/uploads/php/files/1584b3d5f4b82acb6e2627fc2b4021f3/85008679126.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_off0000ceb8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCEB8 | 16648 bytes |
SHA-256: cd4f6a8474143db6ff8a83e9714926a7e33e54ecb0373f05618339afec66639e |
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font_01_sfnt_off0000f9ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9BA | 10952 bytes |
SHA-256: 95df570a3ac9cd9de7793f6e233e063190901701844d7b29d854c67d3d6e324c |
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font_02_sfnt_off00011301.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11301 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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