MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm pointing to multiple compromised WordPress sites, suggesting an attempt to distribute malicious content or phish users. The ML classifier strongly indicated maliciousness, and the structure aligns with a common tactic of using compromised sites to host or redirect to further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9963
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://nd-58.ru/wp-content/plugins/super-forms/uploads/php/files/6fc0629864849adac82a34fa1deae913/69701480424.pdf In PDF document text
- https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/4qql6v9bkmq6o3gckp5vlk5u05/bugirejojuxenewurapulofu.pdfIn PDF document text
- http://1970fchs50thclassreunion.com/clients/1/19/19770213778af891f1b13fa25f964f50/File/17278216684.pdfIn PDF document text
- https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160782dabd44b7---41501339713.pdfIn PDF document text
- http://wbbray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160868e644d3f5---66047172252.pdfIn PDF document text
- https://www.traveltimevipp.com/wp-content/plugins/super-forms/uploads/php/files/5d24d7e8bb9078861bead6a437d3d4c0/1200997945.pdfIn PDF document text
- http://www.suffaheducation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090f0d347f1a---larurilisufewaralekiwi.pdfIn PDF document text
- https://law.myvzl.com/wp-content/plugins/super-forms/uploads/php/files/f9p0g88u9d7uqp9n0qf0vtj20b/jogibifina.pdfIn PDF document text
- http://jyotiacademicpress.org/uploads/file/24863276992.pdfIn PDF document text
- https://catherinehourihan.art/wp-content/plugins/super-forms/uploads/php/files/adaf5d37e455700e5db12e4bbaeba714/8660609339.pdfIn PDF document text
- https://rescue.bg/wp-content/plugins/formcraft/file-upload/server/content/files/160bdc1a0812c5---64261978354.pdfIn PDF document text
- https://goodline.by/userfiles/file/38893825219.pdfIn PDF document text
- http://www.kmclogistics.com/wp-content/plugins/super-forms/uploads/php/files/8911bfaf6fe66a7a82abd2b293eb540f/26738471731.pdfIn PDF document text
- http://reiki-roots.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608883c5b31d3---2331894559.pdfIn PDF document text
- http://robertsrucker.com/clients/7/7f/7f5ecd1287ec2152c36a7dc1808edcbf/File/jolejenatixi.pdfIn PDF document text
- https://www.ptlittleflower.org/wp-content/plugins/super-forms/uploads/php/files/hsvr24ir74rsgbaeta08mb8rsb/54951900290.pdfIn PDF document text
- https://girilawfirm.com/content_files/files/bevenogewegukepawobasiva.pdfIn PDF document text
- https://beribuket.ru/wp-content/plugins/super-forms/uploads/php/files/164ab9367379230ccbc37622a60e9a27/zidebokuzomidok.pdfIn PDF document text
- http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/1609703a841f65---lamex.pdfIn PDF document text
- http://reelproductionshd.com/userfiles/file/ziwofanamowokunulerufi.pdfIn PDF document text
- http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a77d42b489b---suxurekenebofozaseridaf.pdfIn PDF document text
- https://big-cash.de/wp-content/plugins/super-forms/uploads/php/files/0rj9uonq9fg86umtnvksdnd9rb/vaniniviza.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=big+piney+wy+real+estatePDF 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_off0000c379.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC379 | 16800 bytes |
SHA-256: ecf83beb278df8236af7df41130aa37dab394c0dd5c89f73048980cf0142b313 |
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font_01_sfnt_off0000efbb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFBB | 10560 bytes |
SHA-256: 0db1b7339412a078a33814e7d55939f20ff25d530e99c0e8c02ed6a6fe73638f |
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font_02_sfnt_off0001080d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1080D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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