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 high likelihood of malicious intent. It contains numerous links pointing to compromised WordPress sites and other disposable hosting, suggesting it functions as a link farm to distribute further malicious content or phish users. The document body was unreadable, but the heuristic firings strongly indicate a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9987
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 http://www.chicagoalphas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2efff87476---wafivitakuwejoj.pdf In PDF document text
- http://drapa-technika.cz/UserFiles/File/tonofubewo.pdfIn PDF document text
- http://dansecyr.ca/pdf/file/gajuvodolisogupul.pdfIn PDF document text
- http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/160ddaf8c10398---94111450812.pdfIn PDF document text
- https://www.cr-sdc.org/wp-content/plugins/super-forms/uploads/php/files/33e762fe490212473b688ce0a58a5f1e/3593804456.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084e6b7e7bd7---2544393818.pdfIn PDF document text
- https://tamtam.com.ua/wp-content/plugins/super-forms/uploads/php/files/0b084c7b1ea30854fd20f667292e5ff8/11998650051.pdfIn PDF document text
- https://pet-fashion.ro/mm/file/37507408135.pdfIn PDF document text
- http://mnogonomerov.ru/uploads/file/lazumozusir.pdfIn PDF document text
- http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/5984jufptvq9vks3pje7e5iio7/92533365843.pdfIn PDF document text
- http://accurateverdicts.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ce676b32dda---59262297159.pdfIn PDF document text
- https://burgas-remonti.com/userfiles/file/44029026010.pdfIn PDF document text
- https://mpksieradz.pl/upload/file/nogipurobelenaru.pdfIn PDF document text
- https://lesura.net/userfiles/file/tegefalilugivib.pdfIn PDF document text
- https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/c87db4cbaf9d0883646e3024243b0c6f/57064465015.pdfIn PDF document text
- https://www.scilights.com/wp-content/plugins/super-forms/uploads/php/files/59ee45c2e01b2e079e379d713f312484/77764158195.pdfIn PDF document text
- http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/160928d30260f8---63323300093.pdfIn PDF document text
- http://nuyewrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/543d36df6d9ad00b682660c1b1ef4cfc/wolig.pdfIn PDF document text
- http://lalitas-thaimassage-spa.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bb12d9469d9---82877931104.pdfIn PDF document text
- https://www.hadlowsecurityshutters.com/wp-content/plugins/super-forms/uploads/php/files/2f92ba25bcc2c94a4b50a360a38a61cc/41676077001.pdfIn PDF document text
- http://st-ark.it/userfiles/files/3181150612.pdfIn PDF document text
- http://hamyarsanatco.com/ckfinder/userfiles/files/9107647707.pdfIn PDF document text
- http://pebyte.com/wp-content/plugins/super-forms/uploads/php/files/nb2u7irdokff3d3521l71leqh5/22158918967.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=free+month+to+month+room+rental+agreement+floridaPDF 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_off0000f41c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF41C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010c33.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C33 | 10612 bytes |
SHA-256: 8313a41bd66639d00c3d201c1ba123e17f61afa9c9f55c48d39732b2f8c7f14d |
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font_02_sfnt_off000123f4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x123F4 | 17792 bytes |
SHA-256: 8bfc45a927c689f3f1626cd2b9dd8a4f99b5a0487959e37f2a1decf5ce415910 |
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