MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to compromised CMS uploads or disposable hosting, suggesting a link farm designed to manipulate search engine results or distribute further malicious content. The ML classifier strongly indicated maliciousness, and the structure points towards a spearphishing attachment used to lure users to these external resources.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://terravistahometeam.com/wp-content/plugins/super-forms/uploads/php/files/8f7d808a2bb3789f7809372819c734a8/57749245591.pdf In PDF document text
- http://hattrick-sports.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607314786febf---tasunebawutew.pdfIn PDF document text
- https://naucharts.com/ckfinder/userfiles/files/durefomusipilowo.pdfIn PDF document text
- https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/j9759c3jlv4qnp9ggbsu2r2dr3/vawekokajomezogadaf.pdfIn PDF document text
- http://hyperasp.net/userfiles/file/xewetakabusudepalu.pdfIn PDF document text
- https://backcountryplayground.com/wp-content/plugins/super-forms/uploads/php/files/e3fd9c55d6bc1103d98b0e858dbf0884/sudis.pdfIn PDF document text
- https://mkting.com.co/wp-content/plugins/super-forms/uploads/php/files/acc73486979a2ecae38ae41ccf1499fa/58736669321.pdfIn PDF document text
- http://xn----8sbaqfskngn1qi.xn--p1ai/userfiles/file/79449981536.pdfIn PDF document text
- https://archltginc.com/wp-content/plugins/super-forms/uploads/php/files/44fc404df4082650d2d9180b8ffa24fe/70355137711.pdfIn PDF document text
- https://www.denisonlandscaping.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610e9f2a5cb21---4238588162.pdfIn PDF document text
- https://upbilbao.com/ckfinder/userfiles/files/gugozikubukowufexofofixed.pdfIn PDF document text
- http://chinalabware.ru/d/files/48979408261.pdfIn PDF document text
- http://noahmission.org/dataroom/file/zisasepi.pdfIn PDF document text
- http://alimentosldm.com/userfiles/file/80975400964.pdfIn PDF document text
- http://www.training4thefuture.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608d00b44a794---84972778596.pdfIn PDF document text
- http://perfectthesale.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c74e52ef41---monixajexigasideg.pdfIn PDF document text
- http://amunt.madteam.net/ckfinder/userfiles/files/51608361543.pdfIn PDF document text
- https://www.booster-p.com/wp-content/plugins/formcraft/file-upload/server/content/files/160719701217a8---terofiji.pdfIn PDF document text
- https://contemporaryteas.in/admin/uploads/file/12374343327.pdfIn PDF document text
- http://prvugkh.ru/uploads/files/79416296485.pdfIn PDF document text
- https://questyme.com/userfiles/file/73991526438.pdfIn PDF document text
- https://bienenaktuell.com/sites/bienenaktuell.com/files/file/98924933122.pdfIn PDF document text
- http://www.linkkorea.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/160b0b6d52051a---51653704043.pdfIn PDF document text
- http://www.ausafrica.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16096b21e6ba30---69129580879.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=cell+membrane+%26+tonicity+worksheet+answer+keyPDF link annotation
- 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_off0000baf6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBAF6 | 9964 bytes |
SHA-256: 6a2f5867ba6f0c109fa4ddbfc501c5dfd9b390edb48ec169105843a47b48dd85 |
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font_01_sfnt_off0000d0f0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD0F0 | 15252 bytes |
SHA-256: e03303570f1bcf3d5c3a69a1068b940fdcd5ead11f85b738626d2fc0b585d200 |
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font_02_sfnt_off0000f741.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF741 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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