MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links, many pointing to compromised WordPress sites and disposable hosting, indicating a link farm designed to redirect users to malicious content. The document body is heavily obfuscated and unreadable, suggesting it's not intended for human consumption but rather as a vehicle for these malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
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://geredekombiservisi.com/userfiles/file/vamawujamogumose.pdf In PDF document text
- http://studioaba.net/userfiles/files/junipuvisiluniweriwakorev.pdfIn PDF document text
- https://nergizleryapi.com/image/files/xegugezoz.pdfIn PDF document text
- https://fiambreszav.com/wp-content/plugins/super-forms/uploads/php/files/5ee1a11c25db941c6fe1507addd8c00b/80753116925.pdfIn PDF document text
- http://tunglamgarden.com/images/fck/file/xebivajedapalizig.pdfIn PDF document text
- https://crownprolaw.cn/userfiles/Proj_Name//files/kapoxisimizar.pdfIn PDF document text
- http://www.oomedia.com.tw/ckfinder/userfiles/files/95582259711.pdfIn PDF document text
- http://caycanh.vn/images/fck/file/kerodaboxerefepevuta.pdfIn PDF document text
- https://www.ikedatosou.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e391bd4fb29---disid.pdfIn PDF document text
- http://cdseoulps.com/uploadfile/fckeditor/file/62805320704.pdfIn PDF document text
- http://ventilyatsia-v-sochi.ru/ckfinder/userfiles/files/kudoxobuwoz.pdfIn PDF document text
- http://neurooperations.com/ckfinder/userfiles/files/63460883857.pdfIn PDF document text
- https://kochitaxirental.com/ckfinder/userfiles/files/12434541561.pdfIn PDF document text
- https://flycam.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1608a73c9cf899---wajotovenijefarobuline.pdfIn PDF document text
- https://www.okcfarmersmarket.com/wp-content/plugins/super-forms/uploads/php/files/bcfc230a4b0a758230c70f195aea6327/golavozasedupob.pdfIn PDF document text
- https://idd.no/ckfinder/userfiles/files/wukudafejomolumapoli.pdfIn PDF document text
- http://taeguektour.com/FileData/ckfinder/files/20210617_2615C15220DAAD16.pdfIn PDF document text
- http://hoacanh.net/luutru/files/vezumufadozuvizefuvulol.pdfIn PDF document text
- http://nedirajtebosnu.net/userfiles/file/worupovak.pdfIn PDF document text
- https://verandapattaya.com/userfiles/files/30577297909.pdfIn PDF document text
- http://cnpair.com/userfiles/file/gikuropuxinozenolav.pdfIn PDF document text
- https://thejasmineway.net/wp-content/plugins/super-forms/uploads/php/files/a3hf91aun9k4s8tvvf7pmnqrhn/tobamukijakegufena.pdfIn PDF document text
- http://sequirk.ie/userfiles/file/71279756795.pdfIn PDF document text
- http://neuragen.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1609e44ef80596---42290392364.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=blackstones+custody+officers+manual+5th+editionPDF 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_off00011653.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11653 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00012e6a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E6A | 11232 bytes |
SHA-256: c630a10c2aa8eda9b98a0cb5b5a72983c30032dbe772887ac5dedad56c88deb9 |
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font_02_sfnt_off000148a6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x148A6 | 19048 bytes |
SHA-256: 0cd9cc1e644124d3e7dfb6f7703ee453b65343cd42341eade95fa5d784957ef3 |
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