MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, hosting multiple PDF files on compromised WordPress sites. These links likely serve as redirects to further malicious content, such as phishing pages or malware downloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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.finanzanlagen-honorarberatung.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b004603a16c---22085776740.pdf
- http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16080a1a0929fd---7329300020.pdf
- https://www.cukoyem.com.tr/wp-content/plugins/super-forms/uploads/php/files/julntnc9rp5q7423kiorjmg505/93176585210.pdf
- http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5ca3a35690---wazubijalirilisabebiz.pdf
- http://trenermichal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160bbac8281b9c---zototu.pdf
- https://e-uchebnici.com/img/file/guwujulu.pdf
- https://www.heracles-hotel.eu/wp-content/plugins/super-forms/uploads/php/files/18ruo25eithjjk33g8de7h4fmb/niwivuwa.pdf
- http://antik-cafe-bergen.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607e09abc23e6---fowujixikaraxudazisojukir.pdf
- https://completecollegestrategies.com/wp-content/plugins/super-forms/uploads/php/files/5f1c39e7dc6266bbd30d77612aca0dfe/pifebodotiz.pdf
- http://elmbbq.com/uploads/files/turarikaloxadunenulanal.pdf
- http://webscape.co.bw/wp-content/plugins/formcraft/file-upload/server/content/files/1609834d889c5a---zurogunuwer.pdf
- http://perfectthesale.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607224c1437b0---logukazujaxexepuxopuba.pdf
- http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b8b5b742b3d---67202962178.pdf
- https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/160784f2705ed8---bawovavuge.pdf
- https://betenrealestate.com/sites/default/files/file/talavodobavotabasuxozi.pdf
- https://bosgo.mn/uploads/files/14232798187.pdf
- https://badrivishal.com/media/jaxabe.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=stem+education+in+zimbabwe+pdf
- 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://scripts.sil.org/OFL
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ef8a.bineed59fd08c838412b9ffd9f6e28850ad008eb008ec076ee446c15c70bd7c5ece |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF8A | 5264 bytes |
font_01_sfnt_off00010173.bin3e0a7a57043b2ac3fb5f62c05624c874e3a1f039a668488e4c30b631e0f54fcc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10173 | 10532 bytes |
font_02_sfnt_off00012564.binb50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12564 | 4324 bytes |
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