MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains a link farm pointing to compromised WordPress upload storage and other disposable hosting sites, likely serving as a lure for users to download further payloads. The presence of multiple external URIs and the nature of the hosting suggest a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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.advids.co/wp-content/plugins/formcraft/file-upload/server/content/files/1613bf3e15b33b---daxavo.pdf In PDF document text
- http://okfilm.kr/userData/board/file/futefigobobigan.pdfIn PDF document text
- https://xn--pssa17sw71b.tw/upimages/files/dagiwoserarajoxafegupubox.pdfIn PDF document text
- http://vecsecity.info/editor_up/40582434238.pdfIn PDF document text
- http://d-innovation.com/upload/files/35957261906.pdfIn PDF document text
- https://cubic.is/userfiles/file/najirizekuvoxofitedesosow.pdfIn PDF document text
- https://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/161363da2a59e0---xolitagaraxezalejamedemed.pdfIn PDF document text
- http://angel-conference.org/upload_fck/file/2021-9-2/20210902090050211808.pdfIn PDF document text
- https://viajespereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613139a6b61e5---12540307940.pdfIn PDF document text
- http://farmaciafoglia.eu/userfiles/files/zedomafofovafipabexika.pdfIn PDF document text
- http://eqletstalk.com/uploads/files/202109060426181537.pdfIn PDF document text
- http://archiprojektai.lt/app/webroot/uploads/userfiles/files/19692062643.pdfIn PDF document text
- http://vladjurnalist.ru/archive/file/mijuxamugujajewul.pdfIn PDF document text
- http://sonnenheizungen.ch/fckeditor/editor/images/file/10265878926.pdfIn PDF document text
- https://betsin.org/userfiles/files/nejasufewotigejevazed.pdfIn PDF document text
- http://suportti.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134b910cf902---ganurivomoragebujanoz.pdfIn PDF document text
- https://pomacanthe-art.fr/imagebeforeafter/files/sororeresileberafizezivu.pdfIn PDF document text
- http://state-lithium.com/upload/files/nuvinawaforiximafu.pdfIn PDF document text
- http://metalzilemboeventi.com/userfiles/files/lofajokotewama.pdfIn PDF document text
- https://sergeca.com.ve/ckfinder/userfiles/files/paval.pdfIn PDF document text
- https://www.newhorizonscrisiscenter.org/ckfinder/userfiles/files/fipumov.pdfIn PDF document text
- https://istocdukkan.com/userfiles/files/30255963396.pdfIn PDF document text
- http://studioarchterreni.it/userfiles/files/94007562922.pdfIn PDF document text
- http://topopentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613647b0ad1e6---bodumorafoxivuregegikun.pdfIn PDF document text
- https://leganordavigliana.com/uploads/file/24642758887.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=fall+guys+mobile+download+free+apkPDF 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_off0000cf62.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF62 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e779.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE779 | 11252 bytes |
SHA-256: 7b8dd963cc81d14a370deaec2dc2f51d508c7e0b1e05496c262f43aeedac1bec |
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font_02_sfnt_off00010175.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10175 | 16628 bytes |
SHA-256: 8320eadc56c2bc42b3f4b7457eefc0f91353b112cd12f2468d54136ffd789359 |
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