MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It functions as a link farm, containing numerous URLs that lead to external sites, some of which are hosted on compromised CMS platforms. The presence of 'utm_term' parameters suggests a potential phishing or tracking mechanism.
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://lindseyderence.com/userfiles/files/romusokopugodajuzagexu.pdf In PDF document text
- https://www.luthier-auxerre.fr/ckfinder/userfiles/files/59651398307.pdfIn PDF document text
- https://inprovitpuertorico.com/ckfinder/userfiles/files/niwerajokejozanifesatutoz.pdfIn PDF document text
- https://haps.company/wp-content/plugins/super-forms/uploads/php/files/de4ea653ed2fcd016929dca5da680725/nabinavawinefine.pdfIn PDF document text
- http://massimobertoarchitetto.com/userfiles/files/9598723545.pdfIn PDF document text
- http://zge-led.com/luodan/images/userfiles/file/38640814812.pdfIn PDF document text
- http://datong-travel.tw/upload/ckeditor/files/20210912160759.pdfIn PDF document text
- http://benthanhsgfarm.net/images/uploads/files/bamusupogozela.pdfIn PDF document text
- http://www.psoevalledeabdalajis.es/ckfinder/userfiles/files/didowemevogowonivu.pdfIn PDF document text
- http://whdhgs.com/uploads/file/20210910204458993.pdfIn PDF document text
- https://undergroundtakeout.com/userfiles/file/81104831702.pdfIn PDF document text
- https://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/lhb2olruh99mjv3omf5krr2kuu/61205161815.pdfIn PDF document text
- https://sapsda.org/SapmaUserfiles/file/67507504884.pdfIn PDF document text
- http://maschimaurizio.it/userfiles/files/65986144114.pdfIn PDF document text
- http://1yunnan.com/ckfinder/userfiles/files/ritofexugefitivisodelu.pdfIn PDF document text
- http://www.drivingschool-brno.cz/files/files/nazekemuteru.pdfIn PDF document text
- http://centonze-vini.com/userfiles/files/7586296293.pdfIn PDF document text
- https://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/161302048b9661---rolagenodikijizenizemo.pdfIn PDF document text
- http://ssaisarang.com/ckfinder/userfiles/files/26093292674.pdfIn PDF document text
- http://www.hermosabeachbungalows.com/userfiles/files/jepojubisafepadidaleferul.pdfIn PDF document text
- https://glass-haus.ru/wp-content/plugins/super-forms/uploads/php/files/6a8e0591f217560f4b1f2ffd3bbeeca6/razukoborijonu.pdfIn PDF document text
- http://mobilni-kadernictvi.cz/files/file/51712795952.pdfIn PDF document text
- https://www.higher-energy-trampolineclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/161370e94cd9e6---49617909217.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=delete+app+cookies+androidPDF 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_off0000e3d8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3D8 | 10600 bytes |
SHA-256: afd8b633f81f3ce803dc15794451d694b38a56ba9fa5cebbd6dc6dd2cdd730fa |
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font_01_sfnt_off0000fc31.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC31 | 17844 bytes |
SHA-256: c89ddcdca8ee59b018e999edea9bea3c8c7f0fb00f335c3e66df6c8eb4609bc4 |
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font_02_sfnt_off00012aae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12AAE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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