MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ClamAV as a phishing trojan and by an ML classifier as malicious. It contains numerous links, many pointing to compromised or disposable domains, suggesting a link farm designed to distribute malicious content or phish users. The document body is heavily obfuscated and unreadable, indicating an attempt to hide its true purpose.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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://resulgame.com/calisma2/files/uploads/4558968688.pdf In PDF document text
- https://chefinhogourmet.com/wp-content/plugins/super-forms/uploads/php/files/c374f1b92fc9e0abb3f01347173f374b/fikuxenepapevevumeluw.pdfIn PDF document text
- http://volamtuyetthe.com/userfiles/file/54457439920.pdfIn PDF document text
- https://rajakeempat.com/contents//files/jofabuganigaj.pdfIn PDF document text
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607022ae6dc0b---favanidarozozinagozix.pdfIn PDF document text
- https://kipass.fr/userfiles/file/97120687341.pdfIn PDF document text
- http://driver-jazda.pl/upload/file/zuxubewewowegusafemekimem.pdfIn PDF document text
- https://lerong.vn/wp-content/plugins/super-forms/uploads/php/files/6b1c17359337aedd6923faee6848c521/xonogawu.pdfIn PDF document text
- https://www.sblending.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16077586f8f67e---10729545997.pdfIn PDF document text
- http://www.jcca.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/1607dabb7b6cac---15857967243.pdfIn PDF document text
- https://www.tifdip.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081ec481a74f---safodom.pdfIn PDF document text
- http://www.airportlimofortlauderdale.net/wp-content/plugins/formcraft/file-upload/server/content/files/160b25f0e223d5---14702226627.pdfIn PDF document text
- http://apexnepaltravel.com/userfiles/file/27590375503.pdfIn PDF document text
- http://madmojo.com/fckupload/file/62760572747.pdfIn PDF document text
- http://aeskulap24h.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0088fd575f---69989102964.pdfIn PDF document text
- http://aiswaryamatrimonials.com/fck_uploads/file/sexopuramowi.pdfIn PDF document text
- http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/160752dde71239---zepusabokogawapazuwuvuku.pdfIn PDF document text
- http://birons.net/wp-content/plugins/super-forms/uploads/php/files/c5ab61c9d921ee931fb79a4a74ed55cc/votapexapumuvarezubod.pdfIn PDF document text
- https://glasschneider.koeln/wp-content/plugins/super-forms/uploads/php/files/990t57juc7fmrefrcvu40qerj7/41141835211.pdfIn PDF document text
- https://promocionesnma.com/wp-content/plugins/super-forms/uploads/php/files/3787df34b1ed78293e0d82dc29d11c4b/57818623825.pdfIn PDF document text
- https://k2salight.com/wp-content/plugins/super-forms/uploads/php/files/64df3d66f845d88d2ae7f83b4977c6a6/nusaxewisasopofunupi.pdfIn PDF document text
- https://infotechbg.eu/file/fawififivapumesa.pdfIn PDF document text
- http://deauville.ru/files/file/golafavuvuburan.pdfIn PDF document text
- http://phuocthuan.vn/images/pic/file/33823776905.pdfIn PDF document text
- https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160cacc6feacf1---goribelezapifewuzu.pdfIn PDF document text
- https://usdcp.jp/user_data/userfiles/files/zixuxelefomurumowoxe.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=the+absorption+transition+between+the+first+and+the+fourth+energy+states+of+hydrogen+atom+are+3PDF 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_off0000fa09.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA09 | 11476 bytes |
SHA-256: fd1da8d7b1e8622ce357e67373cb8beaf0e07f04ae31a5c5da0b574781cad415 |
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font_01_sfnt_off000114a8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x114A8 | 17184 bytes |
SHA-256: e07071b32740c36c3ce082ea3da9abf715985c2a413964d636461b87ab3b3b1a |
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font_02_sfnt_off0001415e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1415E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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