MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many pointing to domains associated with compromised CMS uploads or disposable hosting, indicating a link farm designed to lead users to malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9970
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://gfow.om/wp-content/plugins/super-forms/uploads/php/files/kmfst7jmga13icvva273s56q95/jagowinamoxugolo.pdf In PDF document text
- https://la-klamm.org/userfiles/file/petizuzerejopu.pdfIn PDF document text
- http://huiking.cn/uploads/file/160808441764.pdfIn PDF document text
- https://akita-inu.lv/www/files/files/jetuxufavawinolisadila.pdfIn PDF document text
- http://growlink.biz/userfiles/file/40192661245.pdfIn PDF document text
- https://kolbandibileklik.com/resimler/files/4307528021.pdfIn PDF document text
- https://ka-base.no/images_content/file/zupezaxividitasigopokifu.pdfIn PDF document text
- http://omak1968.com/clients/71178/File/kejisepasu.pdfIn PDF document text
- http://www.awakohchang.com/image/upload/File/1065472914.pdfIn PDF document text
- http://ohappy.org/userData/board/file/10687535532.pdfIn PDF document text
- http://musiclivemarsala.com/userfiles/files/tekuxoporezatu.pdfIn PDF document text
- http://jrmhandling.nl/upload/file/newuvowosamu.pdfIn PDF document text
- https://fzclicks.com/demo/files/editor/file/zajig.pdfIn PDF document text
- https://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/16081a282267b9---wegonuwanuk.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083ebbe757b7---55418863156.pdfIn PDF document text
- https://dm288.rs/slicice/file/10865318973.pdfIn PDF document text
- http://countrysquirefoods.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609412b4d819f---fonif.pdfIn PDF document text
- https://www.arc-welding.co.uk/wp-content/plugins/super-forms/uploads/php/files/mcuuo9e5t40imqbi1vrlpoj9g3/54618482318.pdfIn PDF document text
- https://gpagroup.in/wp-content/plugins/formcraft/file-upload/server/content/files/160c89eac1a4bc---balikaxumifuge.pdfIn PDF document text
- http://ronaldtan.nl/images/photo/bubomokos.pdfIn PDF document text
- http://multiseal.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/160a4e7035db95---55669298107.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=to+give+up+something+synonymPDF 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_off0000ed3b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED3B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010552.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10552 | 10636 bytes |
SHA-256: 182bfe2c867e0cfe3bca844375852a9455b5001c23351972e4280fdd466c338e |
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font_02_sfnt_off00011d93.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D93 | 18064 bytes |
SHA-256: 9a58f743388c2e165e4d7d7efaccea9b16cab2188a99bfe90199973f61fcacf7 |
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