MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, presenting numerous URLs that likely lead to phishing sites or further malware downloads. The presence of compromised CMS upload links and SEO-focused disposable hosting suggests an attempt to obscure the true malicious destination.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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://taperagi.com/contents//files/wixupexanesidekadezinazo.pdf
- http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ac04d970a0---pejatusupegiriz.pdf
- http://associacaoguainumbi.org.br/wp/wp-content/plugins/formcraft/file-upload/server/content/files/1609c91071ed68---84256539161.pdf
- http://bettaletroom.com/file_media/file_image/file/39338962264.pdf
- http://entone.es/wp-content/plugins/super-forms/uploads/php/files/b2326c7a533a69668e916bd917275134/11139365208.pdf
- https://www.cdscabling.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a90b0e8812f---5711048666.pdf
- http://fullcolorspandoeken.nl/userfiles/file/94414588166.pdf
- https://abofahed.com/userfiles/file/70168475051.pdf
- http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/160985d3c62f0c---tozaguse.pdf
- http://vasilii-orlov.fun/wp-content/plugins/super-forms/uploads/php/files/77fae01d54ee2b7cc26b37c6e89cadbd/51948129205.pdf
- https://www.msolartop.cz/wp-content/plugins/formcraft/file-upload/server/content/files/160957d8b21768---lilazexarubu.pdf
- https://loctra.net/userfiles/file/turitepawamabe.pdf
- http://asckhn.com/acskhn/userfiles/file/wozorazegosoluwejekuj.pdf
- https://hylyt.co/wp-content/plugins/super-forms/uploads/php/files/1dc86c0cdc548df4ea1ffa95010c462a/82433066968.pdf
- http://argyler.com/wp-content/plugins/formcraft/file-upload/server/content/files/160708411c561b---nopifibegoxizudokezife.pdf
- http://www.holzbau-hoelzl.at/wp-content/plugins/formcraft/file-upload/server/content/files/160bfac223e31c---73681835125.pdf
- https://sckprime.com/wp-content/plugins/super-forms/uploads/php/files/5cd72e462571ed6502ea334c6eb90483/zapobaxukixid.pdf
- https://belgradenightlife.info/wp-content/plugins/super-forms/uploads/php/files/fp453p8fhm57ur5iel2p5i3bbj/40157925969.pdf
- https://earthchartercities.org/wp-content/plugins/formcraft/file-upload/server/content/files/160ce7f7014e62---riliboxutezikasu.pdf
- https://mls.lighting/wp-content/plugins/super-forms/uploads/php/files/6080b5848dfa400162bdf865006c0a63/1838448065.pdf
- https://iwnta.com/userfiles/file/fezozeg.pdf
- http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160b3294d25dff---gezavudevadefigevajuvusug.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=physics+1st+year+book+pdf+free+download
- 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_off0000f12a.bin14af1f2853b81887f5e5a3a5d439a56b3e2b68dec72d979c5c269b2654e8dc68 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF12A | 17468 bytes |
font_01_sfnt_off00011eca.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11ECA | 16792 bytes |
font_02_sfnt_off000136e1.bine37cb3b8e73c6aca27c5d1de5fb9fd8f4906fccdb8477b279cf6a894cf5dd381 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x136E1 | 11204 bytes |
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