MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to compromised CMS uploads or disposable hosting, indicating a link farm designed to redirect users to malicious content. The ClamAV detection and ML classifier strongly suggest malicious intent, likely phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://china-baby-clothes.com/d/files/71006543856.pdf In PDF document text
- http://carscaso.com/js/upload/files/91564881916.pdfIn PDF document text
- http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/161319b176a89b---81269931267.pdfIn PDF document text
- http://modelseafarm.com/kweb/ckfinder/userfiles/files/jagugotedigodofuvigutima.pdfIn PDF document text
- http://syntrend.critical.tw/upload/files/66608890330.pdfIn PDF document text
- https://rinducm1.com/contents/files/48221530928.pdfIn PDF document text
- https://sidexsideaudio.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e7321bcf50---1168266965.pdfIn PDF document text
- http://davidhammerstein.org/ckfinder/userfiles/files/26247861244.pdfIn PDF document text
- https://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/161420ed2952e8---73704889851.pdfIn PDF document text
- http://s2ipower.com/survey/userfiles/files/xupowupufujuxunarebu.pdfIn PDF document text
- https://floridahouselottery.com/test/userfiles/file/75234339231.pdfIn PDF document text
- http://hk-keber.de/images/file/tonogotinifosufobukona.pdfIn PDF document text
- http://tc-muehlacker.de/data/tcmuehlacker/userfiles/file/subimotuxumowesan.pdfIn PDF document text
- http://petrovaskola.sk/userfiles/imagefile/10621429772.pdfIn PDF document text
- http://franklcalabreseattorney.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/61916566322.pdfIn PDF document text
- http://bebelino.ru/userfiles/file/38712570238.pdfIn PDF document text
- https://pima-alarms.net/slicice/file/taladejivaguxufinu.pdfIn PDF document text
- http://leoclubmarsala.it/userfiles/files/16160869057.pdfIn PDF document text
- http://sumisaedu.com/FileData/ckfinder/files/20210909_847BA8D5640EBF2E.pdfIn PDF document text
- http://dgkno.cn/upload/silemipinurufutozuw.pdfIn PDF document text
- https://noithathoaphat11.com/upload/files/bedajibujavedobu.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=wonder+woman+1984+megavideoPDF 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_off0000ee02.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE02 | 10932 bytes |
SHA-256: 010bf5fc684d10cef712a6aa457f07f9bac9ca56aa030002c65eb1ea848068e7 |
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font_01_sfnt_off0001073f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1073F | 19180 bytes |
SHA-256: b461ac6e3b13d474c954dd9ddad65d4e7f5b8bba05b28f7fbefbc2d419a9290f |
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font_02_sfnt_off0001396d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1396D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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