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, identified by heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM'. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware distribution. No scripts were extracted, and the document body was unreadable binary data.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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 http://steclotildehorton.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607abc1198bed---40900075835.pdf In PDF document text
- http://www.drop-lok.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d57b7e90f6b---zefazigugaruposut.pdfIn PDF document text
- http://reginahajo.hu/_user/file/9686835191.pdfIn PDF document text
- http://xedaptap.net/userfiles/file/41199602568.pdfIn PDF document text
- https://www.psalighting.com/wp-content/plugins/super-forms/uploads/php/files/ebeaf58e7891459114b18fd50ff8bba5/2315592758.pdfIn PDF document text
- https://mymango.ru/wp-content/plugins/super-forms/uploads/php/files/6940798de19e8999039dbd377fe5835d/taxapixukej.pdfIn PDF document text
- http://sinching.com/uploadpic/files/202108110337419753.pdfIn PDF document text
- https://precisionautoandac.com/wp-content/plugins/super-forms/uploads/php/files/0eb9e704c5aecb7e336091e37527ba79/zafowifijefimuritizimo.pdfIn PDF document text
- http://barudan.hk/UploadFile/file/20210706184302613.pdfIn PDF document text
- http://tsg-edinstvo.ru/userfiles/file/74846020668.pdfIn PDF document text
- https://aspaeng.com/files/image/files/doboxikofelutojef.pdfIn PDF document text
- http://arcdesantmarti.com/biocop/Images/images-editor/file/ramexika.pdfIn PDF document text
- https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607fc981cac91---48762795695.pdfIn PDF document text
- https://imotrading.com/images/userfiles/63625449672.pdfIn PDF document text
- http://stark-tools.ru/images/uploaded/13236549998.pdfIn PDF document text
- http://magooferta.pl/uploads/fck/file/malirubakuvanifo.pdfIn PDF document text
- http://chalappuram.com/userfiles/file/14934365014.pdfIn PDF document text
- https://www.pollackmihalyiskola.hu/ckfinder/userfiles/files/42517327490.pdfIn PDF document text
- https://harmony-lazienka.pl/Upload/file/wesal.pdfIn PDF document text
- http://hurtmar.pl/Upload/file/towigodowakij.pdfIn PDF document text
- https://oknoplus-omsk.ru/wp-content/plugins/super-forms/uploads/php/files/28476921663296ef2eb5e751dc11db05/28719377808.pdfIn PDF document text
- http://indiebookoftheday.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b02c1a73ce---xibuvimufebubed.pdfIn PDF document text
- http://centralcogtc.com/uploads/file/29332431067.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=what+is+transactional+and+transformational+leadership+theoryPDF 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_off0000e9ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9CA | 16784 bytes |
SHA-256: 22582448e3223c7c9e84992b945a18fdeb351cb21e20652fdbfc82b070e87caa |
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font_01_sfnt_off00011544.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11544 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012d5b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D5B | 10992 bytes |
SHA-256: 14c0171a6452948b666e2a78792fc18d2019da99e9baeb3898512d442f7cf6d0 |
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