MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a link farm structure, with numerous URLs pointing to compromised WordPress upload directories and other potentially untrusted hosting. The ML classifier strongly indicated maliciousness, and the heuristics confirm the presence of a link farm on disposable hosting, likely intended to lure users to malicious content. No scripts were extracted, but the document's structure and URL distribution are indicative of a phishing or redirection attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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.fotografoeventimilano.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1cf0552a83---zuvudutopugonezurupubuwi.pdf In PDF document text
- http://surrattsville69.com/clients/8/81/8122276c22396d7fa0996010cc369f50/File/katexin.pdfIn PDF document text
- http://xsteelstock.com/d/files/varadaruwabexelutat.pdfIn PDF document text
- https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/160b4907204857---fibulozigowovizumadew.pdfIn PDF document text
- https://futuresbuilder.net/dayafter/uploadimages/newsimages/file/sepawomisinaginujibumax.pdfIn PDF document text
- https://hightechrustremovers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609e465d04054---44221943167.pdfIn PDF document text
- https://www.asahinafunnels.com/wp-content/plugins/super-forms/uploads/php/files/a2nuo30o4sbn46kk135b5445fo/63800915519.pdfIn PDF document text
- http://perfekt-dom.pl/designhome/admin/userfiles/file/56218027456.pdfIn PDF document text
- http://dianacb.cz/userfiles/file/55437379647.pdfIn PDF document text
- http://riskhedgetech.com/uploaded/file/71257763960d73662b3fb5.pdfIn PDF document text
- https://censcakmu.org/board/file/files/52021785082.pdfIn PDF document text
- http://kleinschadenexperte.de/userfiles/file/golaxoginegilole.pdfIn PDF document text
- https://fobiy.net/wp-content/plugins/super-forms/uploads/php/files/2c3ab7eca398d16856df96625e61d222/13779978865.pdfIn PDF document text
- http://hanleyresources.com/images/89943740204.pdfIn PDF document text
- http://driver-jazda.pl/upload/file/libigegizezidesi.pdfIn PDF document text
- http://kindervakantieweekdeurne.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608bfd4b333e9---gagepemoxasodajukejunojum.pdfIn PDF document text
- https://polnische-zaune.de/userfiles/file/86806476803.pdfIn PDF document text
- https://annekienlen.fr/imagesfile/53387669228.pdfIn PDF document text
- https://kogan-photo.ru/wp-content/plugins/super-forms/uploads/php/files/3c4ce9ae90e7cedbe98c3e2d81ac77ce/lomudiwupa.pdfIn PDF document text
- http://huiking.cn/uploads/file/121308037764.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=upsssc+lower+pcs+previous+year+paper+in+english+pdfPDF 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_off0000bd1c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBD1C | 11172 bytes |
SHA-256: 34a8c02b92d3704d0e766f9cef424c489629e6cf94589b0e75d137c38aace657 |
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font_01_sfnt_off0000d700.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD700 | 17668 bytes |
SHA-256: 35390a1e6dca7d7ffbd393d12c34a69cf0318480ff7258caf9d16cbebef8cc12 |
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font_02_sfnt_off00010494.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10494 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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