MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identify it as a link farm pointing to compromised WordPress upload storage and disposable hosting, suggesting a phishing or SEO manipulation scheme. The embedded URLs, while numerous, do not appear to directly execute code but rather redirect to other potentially malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160727147af8c8---60840317935.pdf
- http://steelbo.com/uploads/admins/u0/files/20210531135232.pdf
- http://www.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b09f58cad6d---9824692812.pdf
- https://ferdavagnar.is/images/fck/file/zolusa.pdf
- https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/pan79va5fkgi7lies0eneg7ieo/9239338431.pdf
- http://bmhs1963.com/clients/7/72/7286fd37811b7a5dece6e69924e4d5ab/File/36539567645.pdf
- https://prokoncept.hu/admin/blogfck/image/file/guxaselekaxijekojagifere.pdf
- http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/1609ce86965123---47898003907.pdf
- http://fixafilm.se/userfiles/file/ligakosobinugodujanu.pdf
- https://k9-warrior.com/wp-content/plugins/super-forms/uploads/php/files/lh0m19i6v2ujh57ld0m6r98sdo/98181117917.pdf
- https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096021d55e7d---69762034111.pdf
- https://sharadsangam.org/UserFilesTwo/file/61311194185.pdf
- http://sieckultury.pl/wp-content/plugins/super-forms/uploads/php/files/6ad51d00d9c0103d97cd594284c03f32/90562110102.pdf
- https://mattweidnerlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607497e706252---51957560749.pdf
- https://nailseasupportgroup.com/wp-content/plugins/super-forms/uploads/php/files/bc60c3a70d1a6d722c6ead1c298b395c/27360602409.pdf
- https://fotoprint.lv/downloads/file/39183497617.pdf
- http://www.alwaysflorida.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a25f224a6fc---momivizegepofepufaxaduk.pdf
- http://cetinelektrik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1606fcbf603a9a---rutuvoxufumu.pdf
- https://estoniapools.com/contents//files/41163325462.pdf
- https://victory-agency.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4dc09b7323---32971130082.pdf
- http://global-leasing-management.com/uf/file/69544346710.pdf
- https://vetranhtuongmamnon.vn/wp-content/plugins/super-forms/uploads/php/files/bkim11us23h5ua2772rv4d9j45/feripubuvijemowodig.pdf
- https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b5ddb945758---tuluniduxezazadamamu.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=free+bus+pass+for+senior+citizens
- 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_off0000f5dc.bin8bf165a3303dd6d6dff64b0364260f13403be92bd65b2db0b5785da1f22b6391 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5DC | 10704 bytes |
font_01_sfnt_off00010e5e.bine0a405003bc496c66eb7afe568cb88bbb665923ef000743cb070e4400d8bc5fa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E5E | 16932 bytes |
font_02_sfnt_off00013a4b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13A4B | 16792 bytes |
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