MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was identified as malicious by a ClamAV signature and an ML classifier. It functions as a link farm, containing numerous URLs pointing to external resources. Several of these URLs are hosted on compromised CMS uploads or disposable domains, indicating a potential phishing or malware distribution scheme. The PDF structure itself does not contain executable content, but rather serves as a deceptive gateway to malicious external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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://acryl-bg.com/userfiles/file/tanikazigisojowe.pdf In PDF document text
- http://bocghedanang.com/media/ftp/file/63348863374.pdfIn PDF document text
- https://borderpak.com/wp-content/plugins/super-forms/uploads/php/files/c4ae8d23ab1510220e608d3bf38d79ee/71909770619.pdfIn PDF document text
- https://creationstationdance.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b244d2dd319---61253670010.pdfIn PDF document text
- http://ipublicity.cz/data/file/27933849889.pdfIn PDF document text
- http://primebrokeragetx.com/ckfinder/userfiles/files/lizig.pdfIn PDF document text
- http://jrmhandling.nl/upload/file/jivalinonul.pdfIn PDF document text
- http://kledingindex.nl/images/uploads/50478645577.pdfIn PDF document text
- http://geo-equipe.it/userfiles/files/muverozanojefojisob.pdfIn PDF document text
- http://af.ssla.ru/images/fornews/files/zirobikonobinulozafeziser.pdfIn PDF document text
- https://namphuctourist.com/userfiles/file/rekinutoxise.pdfIn PDF document text
- http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/160716b2af3669---jumiloruwofagepij.pdfIn PDF document text
- http://weiddy.com/uploads//files/202108130446071124.pdfIn PDF document text
- http://sinoscaform.com/upload/ckimg/files/202108261103209185.pdfIn PDF document text
- http://hgbs.de/userfiles/file/62829216514.pdfIn PDF document text
- http://degrossier.nl/uploads/file/86244333008.pdfIn PDF document text
- https://sinarwaja.com/account/files/nusikerukusa.pdfIn PDF document text
- https://worldmedglobal.com/userfiles/files/35624434359.pdfIn PDF document text
- http://mmdplus.com/userfiles/files/20210702_015136.pdfIn PDF document text
- http://langeline.com/ckeditor/upload/files/21359420226.pdfIn PDF document text
- https://portsidestrategies.com/wp-content/plugins/super-forms/uploads/php/files/6e15fb2c9010e3206e7fada3122fe6e9/kezod.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=harpercollins+study+bible+student+edition+pdfPDF 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_off000102ee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102EE | 18448 bytes |
SHA-256: bdfeb7a16906a106c3203167e3cdf6d329fbb9642f0d1a7e360c58de43c99d65 |
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font_01_sfnt_off000132ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x132CA | 10956 bytes |
SHA-256: 19aa2c6f60bc72ac17eb70401d0052c0b5fee6b955111a2a96af94ac84daf207 |
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font_02_sfnt_off00014c11.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14C11 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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