MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many hosted on compromised CMS uploads, suggesting a link farm designed to redirect users to malicious content. The presence of embedded URLs and the overall structure point towards a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3af240a10e---52142247320.pdf In PDF document text
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/53a478d5eb0a750460701bc930b265da/wisasaso.pdfIn PDF document text
- http://unseenadventure.com/userfiles/file/58303764088.pdfIn PDF document text
- http://kyanite.tv/userfiles/file/34534060839.pdfIn PDF document text
- https://www.tonygssoulfood.com/wp-content/plugins/super-forms/uploads/php/files/fc03d7a86f0133885590d900391bb86f/13552559935.pdfIn PDF document text
- https://mimpiindah168.com/contents//files/fusovenutin.pdfIn PDF document text
- https://primeodontorj.com/wp-content/plugins/super-forms/uploads/php/files/05e1297bb1faea1b5bf080bbe4576a26/mopirula.pdfIn PDF document text
- http://emanuelarombiarchitetto.eu/userfiles/files/wafijov.pdfIn PDF document text
- http://baozhaopharma.com/upload/files/wikimolegabebuzef.pdfIn PDF document text
- http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/738fe2c689fa753fa7c46c0e3127bce0/maluralafelaxazag.pdfIn PDF document text
- http://imhkayseri.com/resimler/files/fusofuxaxowadavexija.pdfIn PDF document text
- https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a484932be24---75592174388.pdfIn PDF document text
- https://girl0229960192.com/upload/users/files/sabenumikevebizudozime.pdfIn PDF document text
- https://marcuspietrek.de/MARCUS/files/file/36134009884.pdfIn PDF document text
- http://hajnysport.cz/FCK_userfiles/file/11076282271.pdfIn PDF document text
- http://stalmost.pl/userfiles/file/60207920348.pdfIn PDF document text
- http://cageart.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608cb76b71d96---6077157545.pdfIn PDF document text
- http://thessalonikiflights.com/files/files/55465203074.pdfIn PDF document text
- http://www.qookspot.kitchen/wp-content/plugins/formcraft/file-upload/server/content/files/160b338ac04497---sojufajuvi.pdfIn PDF document text
- http://artpolinakuzina.ru/pict/file/lisekawesikavunebini.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=jerome+bruner+theory+of+cognitive+development+pdfPDF 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_off0000ef3e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF3E | 11148 bytes |
SHA-256: 9a605348a317f63a94d885faacd3717961039d2caf0fc1580580a5fc05ee8f5e |
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font_01_sfnt_off000108b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108B2 | 18160 bytes |
SHA-256: de504a1cdc68a1b954a66f6a43e632e2e255ea7d48b465a1f397018c487f3841 |
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font_02_sfnt_off00013787.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13787 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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