MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of external URIs and link farms, many hosted on compromised or disposable domains. The ML classifier strongly indicated maliciousness, and the structure suggests a tactic to drive traffic to potentially malicious sites or for SEO manipulation. No scripts were extracted, limiting the analysis of direct payload execution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://philabc.ru/uplcv?utm_term=corsair+void+pro+wireless+manual PDF link annotation
- https://havanic.com/cache/fck_files/file/diwuzido.pdfIn PDF document text
- http://yilip.net/userData/board/file/54766976819.pdfIn PDF document text
- http://itssilvertime.com/clients/2/24/24efe347a73a8ce028152bf895bc11a7/File/sunavoguzi.pdfIn PDF document text
- http://jongauger.com/ckfinder/userfiles/files/95587793842.pdfIn PDF document text
- http://grandviewgroupresort.com/upload/files/7516470818.pdfIn PDF document text
- https://roadtoring.com/wp-content/plugins/super-forms/uploads/php/files/82c30333da391dc0a2011cd4ddee2778/75491536678.pdfIn PDF document text
- http://jiuxingchaoshi.com/uploads/file/081816002450.pdfIn PDF document text
- https://cafesca.org/ckfinder/userfiles/files/3931153172.pdfIn PDF document text
- http://www.expo-hotel.com/english/wp-content/plugins/formcraft/file-upload/server/content/files/1606c93d5734b4---jurebozuvamizegenukiz.pdfIn PDF document text
- http://teerosy.com/ipp/images/uploads/files/95382425316.pdfIn PDF document text
- http://kinel-hunter.ru/upfiles/file/supusewetex.pdfIn PDF document text
- https://urbanlivin.lu/userfiles/files/5708260976.pdfIn PDF document text
- http://ellev.fr/upload/files/giguvapidekutikej.pdfIn PDF document text
- http://clinicaveterinariabilancino.it/userfiles/files/89488725233.pdfIn PDF document text
- https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9a7054b9ee---18052546491.pdfIn PDF document text
- https://personalloan2u.com/wp-content/plugins/super-forms/uploads/php/files/f8921d4e0b3fba9faac04ff82d5fe842/saruwonerekulozotiwap.pdfIn PDF document text
- http://miwon.com.vn/app/webroot/uploads/files/48190100423.pdfIn PDF document text
- http://sosnovgeo.ru/userfiles/file/biponipimapize.pdfIn PDF document text
- http://photou.cc//ckfinder/userfiles/files/zututuxarifena.pdfIn PDF document text
- http://sad-azov.ru/wp-content/plugins/super-forms/uploads/php/files/f7eac3d85e7ba4e9116a0b68f313ea7e/rinojikobidotonibetagak.pdfIn PDF document text
- https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/160af96bf7acb7---21300723315.pdfIn PDF document text
- http://anhuizpyy.com/upload_fck/file/2021-5-2/20210502192613731763.pdfIn PDF document text
- http://fredericjean.net/oplusco/file/kewufilawos.pdfIn PDF document text
- http://liebherr-tr.com/userfiles/file/66717470228.pdfIn PDF document text
- https://www.breastcancerfoundation.in/wp-content/plugins/super-forms/uploads/php/files/03b8c121614db767f16f2e62ec7fc31d/74353959469.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_off0000d5b5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD5B5 | 10736 bytes |
SHA-256: a9c30536ab891762c48dc003fe5bb9b554236e65111225fde0dce842890bded0 |
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font_01_sfnt_off0000ee65.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE65 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010677.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10677 | 22224 bytes |
SHA-256: 7f171913a53bb8c8fc66719d0d5fd3fa38bdbf26f847825ff5217fc86bfc9d26 |
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