MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, indicating a link farm designed to redirect users. The presence of 'utm_term' parameters suggests a phishing or SEO manipulation tactic. ClamAV and ML classifiers also flagged this PDF as malicious, specifically as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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://laborke.ru/uplcv?utm_term=torrent+downloader+for+android+phone PDF link annotation
- https://yarpaket.ru/userfiles/file/rutesajujewebojeda.pdfIn PDF document text
- http://actlogistic.vn/upload/editor/files/61197443698.pdfIn PDF document text
- http://www.grifin.sk/files/48747524364.pdfIn PDF document text
- https://avis-medical.ma/wp-content/plugins/super-forms/uploads/php/files/365c1bb5d2d13fda1742c8149d811d03/60679118982.pdfIn PDF document text
- http://terhautz.com/upload_files/files/43249524234.pdfIn PDF document text
- http://www.qookspot.kitchen/wp-content/plugins/formcraft/file-upload/server/content/files/1613e2214405d4---97412475965.pdfIn PDF document text
- http://artpolinakuzina.ru/pict/file/56503507140.pdfIn PDF document text
- https://nieruchomosciprzetargi.pl/files/file/24107876170.pdfIn PDF document text
- http://propertiesforrent.com/userfiles/file///80226942395.pdfIn PDF document text
- https://www.focus.mu/wp-content/plugins/super-forms/uploads/php/files/a210037bfe20731709b1b752da81c9a4/10359150881.pdfIn PDF document text
- http://ulrike-mayer.de/userfiles/files/mixuvawezej.pdfIn PDF document text
- https://nepalmicrofinancesummit.org/userfiles/files/rawakomiwa.pdfIn PDF document text
- https://ferdavagnar.is/images/fck/file/ravopuzezigejet.pdfIn PDF document text
- https://fultoys.com/userfiles/wumolasimuzizebilosatopi.pdfIn PDF document text
- http://billagelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/pexagod.pdfIn PDF document text
- http://businessdevelopmentcenter.pl/uploads/userfiles/files/73375834789.pdfIn PDF document text
- https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/161493abfcf085---fovolegikusikat.pdfIn PDF document text
- https://zegaoyun.com/calisma2/files/uploads/dijebefutajaf.pdfIn PDF document text
- http://hhoasis.org/app/webroot/img/fck/file/77614995259.pdfIn PDF document text
- http://xhslsh.gdx.cn/ckfinder/userfiles/files/83306482950.pdfIn PDF document text
- http://ndc-group.ru/uploads/files/wisufixozewan.pdfIn PDF document text
- http://pumarecovery.com/userfiles/files/60955801869.pdfIn PDF document text
- 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_off0000e001.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE001 | 18096 bytes |
SHA-256: 4e295036fab0612151cc52a8894db770dd2db4b23af56fe9d232b5015995db2d |
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font_01_sfnt_off00010f40.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F40 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012757.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12757 | 10476 bytes |
SHA-256: cbab73dc9f3df687e061b422f57c40e8265bf08493775acab6b2eba97e8ed767 |
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