MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links, many pointing to compromised WordPress sites and disposable domains, suggesting a link farm or SEO manipulation tactic. The ML classifier strongly flagged this PDF as malicious. While no scripts were extracted, the structure and embedded URLs indicate a malicious intent to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://short-story.ru/upload/file/lagusor.pdf In PDF document text
- https://www.drserapkagan.com/wp-content/plugins/super-forms/uploads/php/files/d8u7i9imgf2uett32o3rh8nmnc/tubepadid.pdfIn PDF document text
- https://led7.ru/file/60636175400.pdfIn PDF document text
- http://beachfirebrands.com/userfiles/file/21746321305.pdfIn PDF document text
- http://kindervakantieweekdeurne.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16070522ea0f09---33512322122.pdfIn PDF document text
- https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608971767939b---jutisinifiwoj.pdfIn PDF document text
- http://tunglamgarden.com/images/fck/file/vevupigozexug.pdfIn PDF document text
- https://krimgranit.ru/wp-content/plugins/super-forms/uploads/php/files/e4cdb4f5361f33a1c8a52d88c6abf536/51339541579.pdfIn PDF document text
- https://buddingheights.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a26a6bb37d2---48848127121.pdfIn PDF document text
- https://ludifrance.fr/userfiles/file/30280524576.pdfIn PDF document text
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/p0nv4oks6b58k18vkpfrai9foq/72474171137.pdfIn PDF document text
- http://www.valathors.com/ckfinder/userfiles/files/kewimez.pdfIn PDF document text
- https://grahampropertytax.com/wp-content/plugins/super-forms/uploads/php/files/d5da2ee7fc6aedb6e5ca5d308f6ef9c1/47227151081.pdfIn PDF document text
- https://aplusadvance.com/naver_editor/data/file/28927972904.pdfIn PDF document text
- http://www.fullmooneye.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1930b7803b---zaxolekisewobexazaden.pdfIn PDF document text
- https://www.sanier.pl/wp-content/plugins/super-forms/uploads/php/files/qqn67hpg8oqvqfklebomjmk0f7/joranuxemezotovupe.pdfIn PDF document text
- https://inchiriereelicoptere.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16082145cac8ca---5151267892.pdfIn PDF document text
- https://shared401k.com/wp-content/plugins/super-forms/uploads/php/files/a8ad8648b84871a96567deafe3b59ac3/juwowove.pdfIn PDF document text
- https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160ba59d96e794---71377239126.pdfIn PDF document text
- https://ajitcoatings.com/uploads/97598007813.pdfIn PDF document text
- https://xn-----6kcabagcgfjsxjciriy6alkh6a7aqk.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/a0c9a6bec30277fbb94d155fe336fdd3/61597304301.pdfIn PDF document text
- https://mudateconmigo.cl/wp-content/plugins/super-forms/uploads/php/files/a2aae38a7214ce5e3d528793f51c3a64/soxebenujurujegub.pdfIn PDF document text
- http://langeline.com/ckeditor/upload/files/86986678517.pdfIn PDF document text
- http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160c85d81c4fd2---jutetilujajuratinikimeji.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=one+direction+this+is+us+movie+onlinePDF 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_off0000f265.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF265 | 10664 bytes |
SHA-256: 605ac440c9c93503e118c49cb5266861c99b1afd16776283674b309d3b2e0914 |
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font_01_sfnt_off00010aa9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10AA9 | 17868 bytes |
SHA-256: aa925fcb6eaca1b9d5ba70f4d8deafb628181a683bac9b9b6a268251d9420dc0 |
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font_02_sfnt_off00013966.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13966 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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