MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to multiple external URLs, some hosted on compromised WordPress sites. The presence of numerous links, including those on disposable hosting and using UTM parameters, strongly suggests a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://sancarspune.com/wp-content/plugins/super-forms/uploads/php/files/907b7eae92fbcdd7d41cc411f35f06da/tatafikekerorokiwebirim.pdf
- http://fredericjean.net/oplusco/file/wafuwugidamiluturukifefum.pdf
- https://ms01bet.net/contents//files/19107690565.pdf
- http://tktravel.shop/FileData/ckfinder/files/20210618_262AD6935CA3D0BC.pdf
- http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607a6b4363c45---disokogiw.pdf
- http://aaz.sk/editor_uploads/files/tegolafinudav.pdf
- http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160d2f1635d35e---20426261417.pdf
- http://studioagronomoserragiotto.eu/userfiles/files/tufabanun.pdf
- https://www.siemers-deutschmann.de/wp-content/plugins/super-forms/uploads/php/files/2oeog5l70tm0hn8uksv58c3u8u/17706449091.pdf
- https://nscs.org/wp-content/plugins/super-forms/uploads/php/files/894879fbe24d7332b5b47f6ee5e9ebd5/30172097936.pdf
- https://www.beewellrx.com/wp-content/plugins/super-forms/uploads/php/files/tmp/38223202456.pdf
- https://costumeworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b4daba07af---mipetozidisukaweduvutijas.pdf
- http://atomleasing.ru/media/File/11826617118.pdf
- https://livingcircles.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1609c978ba0631---degexozepalezuvodezaf.pdf
- http://zartmobilia.com/userfiles/file/20210629162705.pdf
- https://cosalesrep.com/wp-content/plugins/super-forms/uploads/php/files/a1d0754f0bd96a33377a09c547c063ae/98229651289.pdf
- https://law.com.sg/wp-content/plugins/super-forms/uploads/php/files/459c7a89a54f1fe6114022bf288cdc90/zasokuxikovip.pdf
- http://indagosrl.it/userfiles/files/rutomiwamegerep.pdf
- https://forkidsvietnam.vn/wp-content/plugins/super-forms/uploads/php/files/nrpj1k1cs34fmjbstuctjff7p9/45248154685.pdf
- https://castilloexterior.net/ckfinder/userfiles/files/geberamisudat.pdf
- http://precedent.by/_newsite/images_from_html_editor/file/86230557225.pdf
- https://expresstestingatl.com/wp-content/plugins/super-forms/uploads/php/files/934ec623acbdaef45c42840a0768923e/jonanixarud.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=i+want+you+more+than+anything+in+my+life
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010a7e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A7E | 16792 bytes |
font_01_sfnt_off00012295.bin4aceb02b4e29df25f41869c4f3b1139dbd6dee09cdbf3562bebf1d38a906615c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12295 | 10744 bytes |
font_02_sfnt_off00013b1c.bin98d7f8e81654de39d89f9997f2be3dd196a13e499c2a49c4dd45fbb4080b92b8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13B1C | 17536 bytes |
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