MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links to external websites, many of which are hosted on compromised or disposable domains, indicating a phishing or malicious redirection attempt. ClamAV detection and ML classification strongly suggest malicious intent, likely to lure users to malicious content or exploit kits.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://quimicahj.com/admin/userfiles/userfiles/file/33319747609.pdf
- http://digitalqwerty.com/ckfinder/userfiles/files/98532820382.pdf
- http://tranindo.com/Uploads/userfiles/files/motamuvi.pdf
- https://alusol-kw.com/ckfinder/userfiles/files/balazamukezurolo.pdf
- https://yesilkoyluleriz.biz/resimler/files/vilefinoxijasivu.pdf
- https://www.digitalsofts.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612e9b6d15af0---12616542123.pdf
- https://apexforestservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613bc65f3ee50---78633419736.pdf
- http://informerfitness.com/wp-content/plugins/super-forms/uploads/php/files/f096aa63a964882e274a431a73cc067c/dusutas.pdf
- https://vnmmalta.com/userfiles/file/besudujufusexorezusunusan.pdf
- https://vinasimex.com/uploads/file/61929873499.pdf
- https://ecohort.biz/userfiles/files/65332366547.pdf
- https://www.fecomerciomg.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613e8e4136fb9---fosamud.pdf
- https://hylyt.co/wp-content/plugins/super-forms/uploads/php/files/061009a5f93094b41b1f56a4422ee255/54286408317.pdf
- http://profstil.az/userfiles/file/43689882554.pdf
- http://fuguchair.com/upfolder/e/files/20210902214657.pdf
- http://guojingmall.com/userfiles/file///duxegivomiduwivaxapapu.pdf
- http://kprmk.pl/userfiles/file/7427164675.pdf
- http://parvazyab.net/basefile/api203/files/59077931691.pdf
- http://www.ecrivains-consult.fr/easyonline/ckfinder/userfiles/files/43761992201.pdf
- https://iphone-odklep.si/vsebina/xidazawiku.pdf
- http://le-lemniscus-incandescent.fr/ckeditor/upload/files/danabikonivevimot.pdf
- https://kaplaitalia.it/userfiles/files/94449156392.pdf
- http://ultrabeauty-ff.ru/userfiles/file/82321834758.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=bottle+flip+3d+mod+apk
- 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_off0000ae47.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE47 | 16792 bytes |
font_01_sfnt_off0000c65e.bina8c297500267dacc0bf2069c411106a3e3e00cc95d436785bca7bf081fb1bf47 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC65E | 10604 bytes |
font_02_sfnt_off0000dea1.bin5fa858f6706083341a2ea93f5b3f1f521be357bc7553996bd9a6bea03a1b14bf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDEA1 | 15816 bytes |
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