MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links, many pointing to compromised WordPress sites and identified as a link farm. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the presence of external links and the heuristic findings point to an attempt to redirect the user to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9970
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://bizwd.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080d91e23db8---tumozovuw.pdf
- https://detectiveoffice.net/userfiles/file/dapiweferibuxironig.pdf
- http://lnianemarzenie.pl/userfiles/file/muxowenogudigevironivufu.pdf
- https://balbok.net/admin/ckfinder/userfiles/files/negexowazilofik.pdf
- http://markone-tools.com/upload/files/63858329714.pdf
- http://veterina-hrib.cz/user-uploads/files/90745426770.pdf
- https://burkina-businessschool.com/business_school/uploads/file/34143369307.pdf
- https://topclassgreenery.nl/images/file/25264146380.pdf
- http://omegapizza.net/uploads/files/3206162680.pdf
- https://mindweave.co.uk/wp-content/plugins/super-forms/uploads/php/files/qm3iugnsopnvto8kif3al5p9ee/39255559718.pdf
- http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160c920b1d3685---37027025582.pdf
- http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/b4lce9egkv2m8f00und45cvet5/vawezagizazo.pdf
- https://zemiigori.com/uploads/file/lutagisanaxubisef.pdf
- http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c84c06e4ed---79421782543.pdf
- https://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/160f49710d9d14---6080969497.pdf
- https://ludifrance.fr/userfiles/file/56020023920.pdf
- http://teacherandtraining.com/coj_u/KK/userfiles/files/xofukijobojuru.pdf
- https://teenvolunteerhouston.org/wp-content/plugins/super-forms/uploads/php/files/3afc35a89cf5d99fff7a7fdb2bff3094/15913548698.pdf
- https://ncfouting.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608607771b905---96177668586.pdf
- http://bnblspecialities.com/userfiles/files/94734080529.pdf
- https://garyjetcenter.com/wp-content/plugins/super-forms/uploads/php/files/210c7b74abd2758d1c6976eb8adc3415/18192691326.pdf
- http://www.thelawchamber.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f3dc275d0c---wawunipogelesuxena.pdf
- https://allianztc.ro/files/file/konomire.pdf
- https://takiminsahada.com/wp-content/plugins/super-forms/uploads/php/files/1djp1k8s3nb9vtetv5rg9stivg/fewepofopilisidujexosanu.pdf
- http://www.mediacomriccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b43c7074596---bipabin.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=calcular+volumenes+con+integrales+triples
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f496.bin6947202f29f4796de89bafad90e1f9dbd2be461dba6d5c64e829eb7b94a095ae |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF496 | 20772 bytes |
font_01_sfnt_off00012b4e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B4E | 16792 bytes |
font_02_sfnt_off00014365.binffce14358ba4dba244c04a98f44d214fe36916dd32ea7c99394067bcb014a654 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14365 | 10916 bytes |
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