MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The ML classifier and ClamAV detection strongly indicate malicious intent, classifying this PDF as a phishing trojan. The document contains numerous links to compromised WordPress sites and disposable hosting, suggesting a link farm designed to redirect users to malicious content. Although no scripts were explicitly extracted, the PDF structure and heuristic firings point towards a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a310492e305---93254289591.pdf
- http://alexhofford.com/temp/files/file/59864219230.pdf
- https://riondene.ch/img/uploads/file/zerisefumowos.pdf
- https://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16094299e52849---37902616020.pdf
- http://www.realisthotel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab7ae3bb4c7---fumifawofedazofoxozaw.pdf
- http://ednak.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609acddc5585e---92937308690.pdf
- http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/1607501d48c156---tikotavamelagebutaveroj.pdf
- https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/cc5534256e9908ecff4797fb7cb06507/57876521314.pdf
- http://erfolgsapp.de/wp-content/plugins/formcraft/file-upload/server/content/files/160896f8acffba---51523737651.pdf
- https://remoteworkerclub.com/wp-content/plugins/super-forms/uploads/php/files/1c5ed5c3823f091091499eb4b368b19a/66357590749.pdf
- http://komputerzagrosze.pl/userfiles/file/86042721487.pdf
- http://aiswaryamatrimonials.com/fck_uploads/file/tagelod.pdf
- http://niestachow.pl/data/aktualnosci_imgs/file/62436480366.pdf
- http://kpotplace.com/uploads/files/51956628289.pdf
- https://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/1607f09f954d0b---lamevitewukuxezaneroxafu.pdf
- https://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/160a280dd7b35d---60596945238.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=how+to+glaze+a+precooked+ham
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- https://savannah.gnu.org/projects/freefont/
- http://www.gnu.org/licenses/
- http://www.gnu.org/copyleft/gpl.html
- http://scripts.sil.org/OFL
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e0b0.bin0eac1552a6a0cc8d6d43e14f5c157d052ff2bf21460314f67a2c213e0a454e63 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0B0 | 6744 bytes |
font_01_sfnt_off0000f197.bin198ea614a89e07fc40231f000bd7d6dc5340d112f33de05106a47ac305bd9f4f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF197 | 5476 bytes |
font_02_sfnt_off0001042a.binbc0c42e7cd012b647c59f7f72cfa5282e4b2332b01b78347bbcf45ffa548947c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1042A | 11208 bytes |
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