MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a large number of embedded URLs, many of which point to compromised WordPress sites and disposable domains. This behavior is characteristic of a link farm designed to redirect users to malicious content, likely phishing pages or malware download sites. The ML classifier strongly supports the malicious nature of this PDF.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
Heuristics 5
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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://archism.ru/uplcv?utm_term=the+art+of+speculation+pdf+download PDF link annotation
- http://wecans.net/_UploadFile/Images/file/xifijitufebikilipobavelew.pdfIn PDF document text
- https://bechtoldpaving.com/wp-content/plugins/super-forms/uploads/php/files/4c89e7202399c0f84befa08607b6f6e4/fokefuvosinobafowuwuve.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d933a14846---71990699549.pdfIn PDF document text
- https://textolinguisticsolutions.com/upload/editor/file/kafetaniretegapedonusir.pdfIn PDF document text
- http://mobilephleb.com/clients/2/2d/2d2188d13063160162e6e2bbcdac547d/File/buzojojibeponatol.pdfIn PDF document text
- http://herodumpsterrental.com/wp-content/plugins/super-forms/uploads/php/files/2a3195f937d7477a24cfff8adcadc3c6/muzetix.pdfIn PDF document text
- http://eska-lift.ru/userfiles/file/wosenego.pdfIn PDF document text
- http://nemdanangpho.com/uploads/2021-06-04/images/files/metazewemoji.pdfIn PDF document text
- http://limoride.net/gallery/file/bujaboxukixilojopoluvug.pdfIn PDF document text
- http://dichvugiayphep.biz/upload/ck/files/20743524776.pdfIn PDF document text
- https://tipresentoio.it/images/file/xurezi.pdfIn PDF document text
- https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093d3f7d1167---pupudutuf.pdfIn PDF document text
- https://aannemingsbedrijfbarthulsbosch.nl/userfiles/file/38121264527.pdfIn PDF document text
- https://edukiya.com/wp-content/plugins/super-forms/uploads/php/files/fcd09ac2cbaf826c76f4c9f0113d76ce/35446118653.pdfIn PDF document text
- https://megalightgroup.lv/uploads/files/15401535382.pdfIn PDF document text
- http://travelspace.pl/userfiles/file/wutusuxikuxiz.pdfIn PDF document text
- http://bangtaisay.com/uploads/userfiles/file/widumemorej.pdfIn PDF document text
- https://ms02bet.net/contents//files/mekilolab.pdfIn PDF document text
- http://topnotchimports.com/ckfinder/userfiles/files/pipifegibo.pdfIn PDF document text
- https://www.c2commercial.com/wp-content/plugins/super-forms/uploads/php/files/cd8efe15b4d3a1d8bcea689ed381ce6b/zasematip.pdfIn PDF document text
- http://drive4smilesquebec.ca/clients/f/f5/f58105ca183540932673f5bf18e62671/File/fabomugoj.pdfIn PDF document text
- https://bandotrading.com/uploads/file/vabapakuzisedevoramov.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_off0000e485.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE485 | 10864 bytes |
SHA-256: 5fef139715607fb0f3ab8f2c3400616a5859541afd6d431e41ba018a38ef718b |
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font_01_sfnt_off0000fda2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDA2 | 17940 bytes |
SHA-256: 276b97dd1dab70987eb89702422d7099f033bafeef7764bde255129672b71e7a |
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font_02_sfnt_off00012bb4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12BB4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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