MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links to external resources, many hosted on what appear to be compromised WordPress sites, suggesting a link farm or phishing lure. The presence of a 'download button' heuristic further supports the idea that the document is designed to trick the user into downloading a malicious payload. ClamAV detection confirms the malicious nature of the file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9832
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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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 https://lightingsystemscol.com/wp-content/plugins/super-forms/uploads/php/files/cd34bb4c586f30903552ce03c4dcc412/74905851882.pdf In PDF document text
- http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/59baa82b50271f805ee5369f9318b223/57413497890.pdfIn PDF document text
- http://weymouthhighschoolclassof62.com/clients/5/50/50fe23896e84432c97ff20d680692bb9/File/dalakibo.pdfIn PDF document text
- https://diversifiedhumansolutions.com/wp-content/plugins/super-forms/uploads/php/files/c3a7aa22dda65325d5aa2b67634a328a/gimagilukafipamedewi.pdfIn PDF document text
- http://www.insurancedirectcanada.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160adf90693294---80892865676.pdfIn PDF document text
- https://elitstroycraft.ru/source/file/73401966658.pdfIn PDF document text
- https://mziagroup.com/wp-content/plugins/super-forms/uploads/php/files/vmec9kend8h7e3sio2m7ok1fna/69796083041.pdfIn PDF document text
- https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607811102f66b---25960352849.pdfIn PDF document text
- http://mp-hd.de/data/aktualnosci_imgs/file/febovakowuwuretavoteripa.pdfIn PDF document text
- http://diacritic.org/travel/app/webroot/img/files/12920046215.pdfIn PDF document text
- https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/60joggnp3urc8hru5ufp24d050/91273105193.pdfIn PDF document text
- https://tkpmission.org/wp-content/plugins/formcraft/file-upload/server/content/files/160979cbbeeedb---73931302968.pdfIn PDF document text
- https://artsketch.ru/wp-content/plugins/super-forms/uploads/php/files/73fafc4f953b0e44cb0f0bb7b0afbf83/3129092380.pdfIn PDF document text
- https://www.chinacimctrailer.com/wp-content/plugins/super-forms/uploads/php/files/9c17298cb6a4fc0388fcc7cf541272d6/faburikidanazo.pdfIn PDF document text
- http://www.training4thefuture.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160daa0c6b3184---17390555790.pdfIn PDF document text
- http://closehorses.com/userfiles/file/wifunoz.pdfIn PDF document text
- http://xn--dlek-5qa.com/admin/UserFiles/file/19452893269.pdfIn PDF document text
- http://betaempire.com/uploads/userfiles/file/file/bipupubamebiw.pdfIn PDF document text
- http://pantipplaza.com/userfiles/file/bekanis.pdfIn PDF document text
- http://recruiters-zone.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609da405d58dc---24755006924.pdfIn PDF document text
- http://moto-bike.pl/userfiles/file/93912597253.pdfIn PDF document text
- http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/1608d218a4b152---94472752142.pdfIn PDF document text
- https://groupunsur1.com/contents//files/9346760334.pdfIn PDF document text
- https://cbolean.com/wp-content/plugins/super-forms/uploads/php/files/14blmmrv630k11rl8qnuipjig4/42982379455.pdfIn PDF document text
- https://www.duffylighting.com/wp-content/plugins/super-forms/uploads/php/files/a038139a6f51ecc84c324724613b0bfb/44800700947.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=linux+lab+manual+for+csePDF link annotation
- https://bxthirteen.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/97a8d26bbade8105afdc59aa976b801d/77524806956.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_off0000ee21.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE21 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010633.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10633 | 17708 bytes |
SHA-256: 84dcb1447a49299ea3568cbaf35ec7c4e9784e2839706dd048e606ac6d356edc |
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font_02_sfnt_off00013494.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13494 | 10696 bytes |
SHA-256: 460b4face05ce11a355e75e98524bc7d6e21fbe0a758714435b8cbef9dedbac1 |
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