MALICIOUS
172
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded JavaScript and multiple links to compromised websites, indicating an attempt to deliver a malicious payload. The presence of a 'download button' heuristic further supports a phishing or social engineering lure. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 8
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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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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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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://artin-intranet.com/ckupload/files/wufepupobixunukopali.pdf
- https://vishalahospitality.com/ckfinder/userfiles/files/33918888925.pdf
- http://easyliveconstruction.com/ci/userfiles/files/vedikuzavafuxopovotatefe.pdf
- http://shuswapladystriders.ca/userfiles/file/39348879527.pdf
- https://alkalacarservice.com/public_html/userfiles/file/89115359225.pdf
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bcb9b901959---navipiginufefivoxivubo.pdf
- https://areshin.ru/wp-content/plugins/super-forms/uploads/php/files/36b0798e8ac825a166f77c3aea9e6079/91758283997.pdf
- http://cancercareresearch.com/userfiles/file/gegoxerefanerovib.pdf
- http://lisahyatthealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d94730e30c---fuvus.pdf
- http://becro-plast.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160b5b2623e81a---pepipasep.pdf
- http://www.tobywells.org/media/fckdir/file/29555328270.pdf
- http://reikihaus.com/clients/75291/File/77452314425.pdf
- https://www.lokalesichtbarkeit.de/wp-content/plugins/super-forms/uploads/php/files/es1dfs1hp7tm1brd5h3clbp49p/9643636634.pdf
- https://championsforchildren.org/wp-content/plugins/super-forms/uploads/php/files/0ef86e0e204e613deeb7fb0be19951f9/97676777218.pdf
- http://www.thediethub.in/wp-content/plugins/formcraft/file-upload/server/content/files/16098e66d15957---6958135414.pdf
- http://mtcclassof81.com/clients/0/0a/0a45bd3013a8cc77df817aa526a911b1/File/51415200498.pdf
- http://rayzerfamilyreunion.com/clients/0/08/08e2d5bcffca37c2e1a82d364f4296c6/File/20520103170.pdf
- https://www.makathastaliklari.net/wp-content/plugins/formcraft/file-upload/server/content/files/16080dffd1d0f7---vusajidotuvelisi.pdf
- https://vijyaiprismcrm.com/userfiles/files/texivatujepujeweropew.pdf
- http://a1-automotivegroup.com/upload/files/rerovasivilikifiwapagi.pdf
- http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/16075f1c8a0d4d---berobixu.pdf
- https://sfasg.jp/js/ckfinder/userfiles/files/76704593924.pdf
- https://jetzterstrecht.hamburg/wp-content/plugins/super-forms/uploads/php/files/749jaq61ck00n6bsgq3mb0r7um/pagawuduzozu.pdf
- https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c5b2b32c1b3---juwixezuviwunaposoxuwiba.pdf
- https://hotelristorantenovecento.it/wp-content/plugins/super-forms/uploads/php/files/743571b4e87f9e9ade40e136c93a9c1a/69706798463.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=seventies+font+free
- 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_off0000feab.bin61acab2a2f3a9d5d9c82a156ed092f6642a99f7080009bc546181a2fcc58968b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEAB | 10140 bytes |
font_01_sfnt_off00011575.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11575 | 16792 bytes |
font_02_sfnt_off00012d87.bin3ed58fe7f9c210bf75fb0e29d1948e249dcbf68a2243226598847f0145d3a7a7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D87 | 17048 bytes |
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