MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by a machine learning classifier and ClamAV. It functions as a link farm, with numerous embedded URLs pointing to various websites. Several of these URLs are hosted on compromised CMS upload storage, indicating a potential for phishing or malware delivery. The document body is heavily obfuscated and unreadable, providing no direct clues to its specific purpose beyond the link farm behavior.
Machine Learning
- Nyx PDF Classifier malicious score 0.9946
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://aksaxena.com/bpms/includes/fckeditor_uploads/userfiles/file/bevapupobabineguji.pdf
- https://basisnomor.com/contents//files/weraben.pdf
- http://graphicon.hu/wp-content/plugins/formcraft/file-upload/server/content/files/160bce93cb9f81---popupesosuvofovu.pdf
- https://nikosdimos.gr/userfiles/file/repazowutilenurixazoguzis.pdf
- https://zegabilisim.com/calisma2/files/uploads/41225092850.pdf
- http://albertopizzetti.it/userfiles/files/kilugepupejokarivibeno.pdf
- https://amalighting.com/wp-content/plugins/super-forms/uploads/php/files/583f7af582c2d91ffb95284c9d8cd97c/14685565118.pdf
- http://sendedianqi.com/upload_fck/file/2021-6-21/20210621102015195408.pdf
- http://webhenevents.com/clients/868374/File/31264354627.pdf
- https://victory-agency.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f8d002aca4---73448632864.pdf
- https://jollytime.ru/wp-content/plugins/super-forms/uploads/php/files/3ee9b788af437ce68233a2dde28f13d6/xamaduwawanapojuzemawamaz.pdf
- https://www.dishdivvy.com/wp-content/plugins/super-forms/uploads/php/files/2e1a12f18b2d3a2668258116e2e95782/2603643500.pdf
- https://boldvision.tv/wp-content/plugins/formcraft/file-upload/server/content/files/160c5c0fb7217f---fogonumobuwuvu.pdf
- https://cochleartudaskozpont.hu/files/6556705717.pdf
- http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609a59d394cb5---19845033541.pdf
- http://emannsltd.com/userfiles/41697811452.pdf
- https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609ba719ba935---fanukigojodiwusakelulid.pdf
- http://www.akutrans.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c46530e8288---zazegenawo.pdf
- http://amtusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bcb1b4609ab---17116645801.pdf
- http://stsaischoolamritsar.com/slbdavbatala/userfiles/file/23378608981.pdf
- http://steclotildehorton.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160830ac8eca11---24303969370.pdf
- https://www.helpagesl.org/wp-content/plugins/formcraft/file-upload/server/content/files/16097dd888f740---38237905006.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=being+facetious+meaning
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000dce6.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCE6 | 16792 bytes |
font_01_sfnt_off0000f4fd.bin689fb77eec52fbda35060a6827ba38de90764c2d0e1dfbcd3bce7d49d00960f9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4FD | 10684 bytes |
font_02_sfnt_off00010d8c.bin1402e66d212d6d4b320957b4f76c727a8ad59757306786619d0767f0fa54d1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D8C | 18068 bytes |
font_03_sfnt_off00013d0a.bin8bfc5e2f6383778b4716e60c732a7e5228106b692ca52c1f6b3c0b2892049825 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13D0A | 16060 bytes |
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