MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm pointing to multiple compromised WordPress sites, likely intended to lure users to malicious content. The ClamAV detection and ML classifier strongly indicate malicious intent, classifying it as a phishing trojan. No scripts were extracted, but the structure and URL patterns are consistent with a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608862ce7b58c---32141370624.pdf
- https://xn----7sbabak5acz7byau.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/0100e46f6affeff61f460737845e0605/golojidabezumukutetakome.pdf
- https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/16075c78b74ebe---47822842969.pdf
- http://victorylimo1.com/wp-content/plugins/formcraft/file-upload/server/content/files/160779a7a68fac---28482591497.pdf
- http://willtorock.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608afb66082ef---dixudubiketexir.pdf
- https://socialacademy.gr/wp-content/plugins/super-forms/uploads/php/files/5f535655c1215e9faeface1767e21297/godir.pdf
- http://www.training4thefuture.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16088b0d8b53a6---62215265484.pdf
- http://bagpack.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/16074081945a02---30369916655.pdf
- http://www.majoriscambio.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160889077db043---getovavizekotuvanivu.pdf
- http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1607665e941b5c---35241261463.pdf
- http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/e9d2099414aeaab7d2ab9c2cac46c69d/51117059989.pdf
- http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083ea85c834a---xuwutakirosazobaj.pdf
- https://www.synergyheart2heart.team/wp-content/plugins/super-forms/uploads/php/files/v7sbopnfdjvcfc0ur385jfhfvr/kanubin.pdf
- https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082f00cc3bb8---67178322686.pdf
- https://realimpacto.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608ce864ead07---rajirawuja.pdf
- http://www.webtony.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608161556cafc---73696021843.pdf
- http://svenstavik.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073f771d16a5---zabigeb.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=asthma+guidelines+2018+pdf
- http://scripts.sil.org/OFL
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000eb84.bin413e061f7e28ba5901c6c1ae8eed560bf93b8e603c040efeb0d57c306e3604ed |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB84 | 5640 bytes |
font_01_sfnt_off0000fe94.bin17d49e35bd6919af3a637a50266d355df7f93b39491125fc470256163740fdf6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE94 | 10348 bytes |
font_02_sfnt_off000121fe.binb50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x121FE | 4324 bytes |
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