MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains numerous links to external websites, many of which are hosted on compromised WordPress sites using the 'super-forms' plugin. The document body, though heavily obfuscated, suggests a lure related to an 'ios 11.4 update'. The presence of multiple link farms and a high ML classifier score indicate a malicious intent, likely for phishing or distributing further malware. No scripts were extracted, but the structure and URLs point to a link-based attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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://neavocats.com/wp-content/plugins/super-forms/uploads/php/files/3dda18da1e93c6a5c7788131504e72c2/zeton.pdf In PDF document text
- https://goldengrowers.com/wp-content/plugins/super-forms/uploads/php/files/35aacaf24f2b98894e9b011bbe76df7a/86343223634.pdfIn PDF document text
- http://aihyang.com/userfiles/file/46725953145.pdfIn PDF document text
- https://www.skyline-recruiting.com/wp-content/plugins/super-forms/uploads/php/files/f964acab42725d2cb462a26e3b2ccc47/loxibelakegu.pdfIn PDF document text
- https://floridaholidayplanner.com/wp-content/plugins/super-forms/uploads/php/files/40e3f1eaed64920a50cb51a4586171c3/leponetezurujupexugujupi.pdfIn PDF document text
- https://primewestelectrical.com/wp-content/plugins/super-forms/uploads/php/files/f1b684bfe71bd754a9528ab540fb1849/18829092321.pdfIn PDF document text
- https://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607c3904b4e78---55927978441.pdfIn PDF document text
- https://www.lesson-online.org/wp-content/plugins/super-forms/uploads/php/files/2j2ammno4qcfbbdf5k68lth6b6/leradatemijapajagesu.pdfIn PDF document text
- http://lalitas-thaimassage-spa.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606efe461dab7---zudok.pdfIn PDF document text
- https://www.electriclighting.com/wp-content/plugins/super-forms/uploads/php/files/edad61df86f9f8dd8bfb67fbed6ccc1f/88068646532.pdfIn PDF document text
- https://amagi.la/wp-content/plugins/formcraft/file-upload/server/content/files/160775728c6f2e---41782170235.pdfIn PDF document text
- http://kistours.hu/userfiles/file/sijafuxumixakafagiwagitu.pdfIn PDF document text
- https://www.alarisusallc.com/wp-content/plugins/super-forms/uploads/php/files/3ed1c211481747b4840c86d63fa7dc1f/jokojivenalujos.pdfIn PDF document text
- https://tedvandergulik.nl/userimages/file/lesefikezupafitejur.pdfIn PDF document text
- http://entone.es/wp-content/plugins/super-forms/uploads/php/files/b348df3b73765e58f103c4d965516abf/26341334293.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=aggiornamento+ios+11.+4PDF 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010074.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10074 | 5136 bytes |
SHA-256: 3a0aa40c283b17c62016a9e245aaaa8f4b63c3b7ad5cb8638b7e08a05646c824 |
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font_01_sfnt_off000111ea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111EA | 11804 bytes |
SHA-256: e3f583a89be93ae196db8381668225d63e1a3125721d4fa0c3781d7c3a2b759a |
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