MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links pointing to compromised WordPress sites, identified by heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM'. The ML classifier also strongly indicated maliciousness. These links likely serve as a distribution mechanism for further malicious content or phishing attempts.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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 http://www.patricktennis.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160ad5f4b11780---20039427751.pdf In PDF document text
- https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/160773599d4741---darenifu.pdfIn PDF document text
- http://cleannshieldflorida.com/wp-content/plugins/super-forms/uploads/php/files/f3e4b17439e45b8ad2a441f956e7e35d/pezinenodewenibajoge.pdfIn PDF document text
- http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a0ad3b3783---fofulaxuwawatotejiwodud.pdfIn PDF document text
- https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c75b962f21---68131839556.pdfIn PDF document text
- http://baanpowertrain.com/wp-content/plugins/formcraft/file-upload/server/content/files/160857037262d9---40553502189.pdfIn PDF document text
- https://cal.lighting/wp-content/plugins/super-forms/uploads/php/files/30970775da0575db1ba6ec3257ab70e1/90148995860.pdfIn PDF document text
- http://momsystem.ru/public/file/9530381960.pdfIn PDF document text
- http://kaies.cn/upfiles/210525032923291537w1xfic.pdfIn PDF document text
- https://spherule.org/wp-content/plugins/super-forms/uploads/php/files/5c8aa94cecf4e3910b2f26c6ff8d71cc/zufimukib.pdfIn PDF document text
- http://fitnessklub-impuls.pl/uploads/assets/file/pimalesaributevimaboregos.pdfIn PDF document text
- http://www.koeru.eu/failid/file/17261012709.pdfIn PDF document text
- https://kvgrup.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/160bc441b38de2---fowalazeduvovosafe.pdfIn PDF document text
- http://ediljolli.com/userfiles/files/19167398578.pdfIn PDF document text
- http://www.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609f11ded2b7d---44336791907.pdfIn PDF document text
- https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612b8f97aedbc---zuxowedujexoja.pdfIn PDF document text
- http://mobilesamara.com/img/files/file/80838727211.pdfIn PDF document text
- http://happyhanool.com/ckupload/files/92423759982.pdfIn PDF document text
- https://camile.vn/wp-content/plugins/super-forms/uploads/php/files/lnuvtqt6lc7jsls8sa3dfm39c5/mitinif.pdfIn PDF document text
- http://email-database.info/userfiles/file/48137118397.pdfIn PDF document text
- http://cedule-plachty.cz/files/file/dolixenodipivotuw.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=devils+ivy+yellow+leavesPDF 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_off0000e927.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE927 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001013e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1013E | 10068 bytes |
SHA-256: 1c3cc6f3667d73b40704bee93ac405236fd8134b6379e9301b57a554a5f448b2 |
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font_02_sfnt_off000117d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117D6 | 17320 bytes |
SHA-256: b3b0771d45c719d9ba9a9b512c2e8dbef2c28417ffde29782a87e024413c0d1a |
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