MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for malicious PDFs to execute code or redirect users. The numerous external links, many pointing to compromised WordPress sites or disposable hosting, suggest a phishing or malware distribution campaign. The ClamAV detection and ML classifier further confirm its malicious nature, likely as a phishing lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://alibabashipping.com/userfiles/file/kotejosubipapezola.pdf
- https://sevsport.info/wp-content/plugins/super-forms/uploads/php/files/4d713726868a73ce50fa9d36b75dc93d/86212280990.pdf
- https://konferencii.ru/js/ckfinder/userfiles/files/26085545876.pdf
- http://cgt-fo-csc.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1609bfb746a4a7---83986891904.pdf
- https://cytairtool.com/test/userfiles/file/20210629_6071e.pdf
- https://sg-design.top/wp-content/plugins/super-forms/uploads/php/files/d9d4a7471e4676a58e5b1dbaf575875c/satizujegapekoneroxokeso.pdf
- http://subventionsbetrug.de/wp-content/plugins/super-forms/uploads/php/files/n8l4ddlcljujknr8sfefgo6ddj/dokozefu.pdf
- http://seanmore.com/userData/board/file/natasezi.pdf
- https://arte-salon.ru/upload_picture/12463148150.pdf
- https://kfz-gutachter-oliver-schiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/16074695de68d0---46666673275.pdf
- https://accesoriosalmayor.com/images/userfiles/file/39563776560.pdf
- http://etre-belle.su/images/file/kuvapikunefatotiduwugan.pdf
- http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099cd4c78f9d---luxok.pdf
- https://flycam.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160983c8807852---telebek.pdf
- http://www.rec39.ru/wp-content/plugins/super-forms/uploads/php/files/d07f2bfd961d0b5679e4bb662ac4980a/darijid.pdf
- http://dagmare.de/userfiles/file/44869047495.pdf
- https://areshin.ru/wp-content/plugins/super-forms/uploads/php/files/8fa1abe48227da4b836cbb75382f7fcd/59449724344.pdf
- https://gradeagroup.com/wp-content/plugins/super-forms/uploads/php/files/7fjgutct0c41vmrpiph7fifu7o/tezadateg.pdf
- https://mrmobilewebsite.agency/wp-content/plugins/super-forms/uploads/php/files/b4227c7b6dc5c04fd4d68e6f3460db4f/75342676550.pdf
- https://riverasphotovideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d3ca4771c3---tivomavixutaludidoj.pdf
- http://ayurveda-shiatsu-qigong-nice.com/upload/files/jipafapisaviger.pdf
- http://bsbcarpet.com/userfiles/file/63888248380.pdf
- http://birons.net/wp-content/plugins/super-forms/uploads/php/files/481c0e7ea9615f571dad184c01f3fa37/rexadodu.pdf
- http://www.onekaddy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b664522d87a---98406046726.pdf
- https://www.sahabatkeluargahomecare.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7039b94813---voxedosiworax.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=how+to+convert+into+improper+fraction
- 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_off0000e8ab.bin0d59c4ac3008ca24d25a269cbcc21d0c11dcc0cbc0db56d050bbe60237d5f1b3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8AB | 17032 bytes |
font_01_sfnt_off0001155a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1155A | 16792 bytes |
font_02_sfnt_off00012d71.binbcb06f3507364377a6f269213437351061d8778dee273e83840aaffdd3772440 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D71 | 10572 bytes |
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