MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier. Heuristics indicate the PDF contains a link farm hosted on compromised WordPress sites, suggesting a phishing or malware distribution attempt. The embedded URLs point to various domains, many of which are associated with compromised CMS uploads, indicating a pattern of using vulnerable web infrastructure for malicious purposes.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
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.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/160946124bc2de---48931383537.pdf
- https://3dreamvr.com/wp-content/plugins/super-forms/uploads/php/files/dc72c5dac53736c59470ef463a0a2ff3/womutirowifiwokut.pdf
- https://giolog.biz/images/bulk_images/files/35335791805.pdf
- https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160cd340c5154a---pigemedasu.pdf
- https://ladychief.com/wp-content/plugins/super-forms/uploads/php/files/1b6e1f67821e6ed93f6ac000d5dea7f0/ranozujofofixito.pdf
- http://taiyoaquris.cn/upload/userfiles/files/20210618084721.pdf
- http://www.doctor-carpet.com/wp-content/plugins/super-forms/uploads/php/files/7mp836lrrsqqsf6fuuqun6efd3/56865247674.pdf
- https://xn----8sbaavnccwq4am.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/6cd709bfef76ae142177c25cec43579c/56580976664.pdf
- http://driver-jazda.pl/upload/file/wumexonoxeriwixit.pdf
- https://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/16099ccc3ce656---5332047124.pdf
- http://szkolka-wiercioch.pl/files/file/wigijawogexo.pdf
- https://www.officinadelgustoroma.com/wp-content/plugins/super-forms/uploads/php/files/b735ce69b44ff30e5d6974f0e5a1def3/tasujo.pdf
- https://rmdschoolandcollege.com/wp-content/plugins/super-forms/uploads/php/files/neoqdrmi50eqc333r61b5cqmc3/50572371048.pdf
- http://www.sg-callenberg.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a3aa5c374cc---wagadopolawerizo.pdf
- https://glasschneider.koeln/wp-content/plugins/super-forms/uploads/php/files/8jmi389m3ajsqfc1dgommgns4o/doxivowisiragotegoboxete.pdf
- http://tkhomedeco.com/assets/uploads/ckedit/files/20210622192044.pdf
- http://0-50.ru/userfiles/file/vomagazididakipu.pdf
- http://weingut-suppan.at/files/10067097137.pdf
- https://publicbridge.pl/userfiles/file/gefokodariwigilubisosedon.pdf
- https://www.onestopnaturalstore.ca/wp-content/plugins/super-forms/uploads/php/files/aq4sukhh7t341jd7tpe9eck7fh/64174431168.pdf
- https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb39fe4210c---vubagabavutowigakapasorod.pdf
- https://menu2uplus.com/images/file/rufizezugevi.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=angular+component+without+selector
- https://angular.io/guide/styleg
- 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_off0000fab7.bin229fb36eab3362ead7d8c7285689d8c816b601a19de205f121d9d5761e07e56e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAB7 | 10988 bytes |
font_01_sfnt_off0001142e.bin6b7b711f11c5de27bab6f70555470e05746c0f4ad0619c8938b97950178900de |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1142E | 18204 bytes |
font_02_sfnt_off0001441e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1441E | 16792 bytes |
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