MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links to compromised websites, many of which host further PDF files. Heuristics indicate a link farm on disposable hosting and a visual download button lure, suggesting an attempt to trick users into downloading malicious content. ClamAV detection and ML classification confirm the malicious nature of the file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9938
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609adad2965c1---sizazu.pdf
- http://becro-plast.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160aaec39cceb7---jitidonufatidulisiziz.pdf
- http://theopenhouseclub.com/wp-content/plugins/super-forms/uploads/php/files/ea84f43ef1c3d50b80c467536b568806/48373602411.pdf
- https://gpagroup.in/wp-content/plugins/formcraft/file-upload/server/content/files/16083d2e6593ec---volutexumamusebobavoda.pdf
- https://rijst.nu/userfiles/file/fidusififomaxaguwapixugo.pdf
- https://bbpartner.cz/userfiles/file/9863474212.pdf
- https://www.ideaklinik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1606d243b51076---1205004915.pdf
- https://tavio.ru/files/file/82347849094.pdf
- https://pluviaterra.mx/wp-content/plugins/super-forms/uploads/php/files/a843ce110e122cc7a9de6ce01c86a502/xepasedat.pdf
- https://yuss.it/file/jifibubodidedipatuwara.pdf
- http://ifa-astrologie.de/userfiles/file/78892432611.pdf
- https://indacphuc.com/wp-content/plugins/super-forms/uploads/php/files/ub6ksjktkg47hrqadnls9h4kjp/79397447453.pdf
- http://wami.cc/data/files/88298717245.pdf
- http://watthaistuttgart.de/userfiles/file/95487095339.pdf
- https://tirthmobile.com/wp-content/plugins/super-forms/uploads/php/files/2o1g0hd0k3k3fdtgemn6totoab/22237046786.pdf
- http://joshuadacosta.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba1fffe90c6---suwofuniz.pdf
- https://familienbilstrup.dk/ckfinder/userfiles/files/tegekixurawirunev.pdf
- http://staples1981.com/clients/b/ba/ba027a536d51c1d997ee76cae6dc9017/File/jubamufiwejozunad.pdf
- https://www.baileysmilk.com/wp-content/plugins/super-forms/uploads/php/files/866a5a9634380be8603882a7f762e32e/vixiditekufexu.pdf
- http://mobydick-band.de/fckdata/file/51020296168.pdf
- http://www.zav-mito.si/wp-content/plugins/formcraft/file-upload/server/content/files/1606f18062f6a3---vutixasideluz.pdf
- https://mosoptagro.ru/wp-content/plugins/super-forms/uploads/php/files/da07a1d60f0360c48e94f22f70ef0b5d/nunopu.pdf
- http://www.dismaplant.com/ckfinder/userfiles/files/popebisezawodusuzemegupu.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=problem+solving+competency+example+answers
- 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_off0001273b.binf339b9659b23cf02c02ffe2b9ae70612a82f9e01cc5609226dc75eb59d1a30dd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1273B | 11224 bytes |
font_01_sfnt_off00014167.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14167 | 16792 bytes |
font_02_sfnt_off00015979.bin95c9f1569b266e3d47c734aeb1e47abc0c199bdac9777b65423bf4f6711fb738 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15979 | 17000 bytes |
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