MALICIOUS
204
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, indicating a phishing or trojan payload. The document contains a link farm pointing to various PDF files hosted on potentially compromised websites, suggesting an attempt to distribute malware. The presence of a 'download button' lure and instructions for a password-protected archive further support a malicious intent to trick users into downloading and decrypting a payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 8
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://vagtteam.dk/userfiles/Files/wepudaxumelamuzeduruvixex.pdf
- http://galluccifaibano.it/userfiles/file/31284240996.pdf
- http://cyklo-sport-servis.cz/UserFiles/File/41968499525.pdf
- http://www.sarajevo-inn-grunewald.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094e155d7b95---jadibowesifaverikegelak.pdf
- http://zawayakw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608013f75752e---42921676890.pdf
- https://adsbudget.net/userfiles/file/43317101315.pdf
- https://istanajpdua.com/contents//files/76642453511.pdf
- http://miroslaws.com/ckfinder/userfiles/files/mumolanob.pdf
- http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab8e0b00b96---31640101533.pdf
- http://inlikeflintlogistics.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab08dfa3723---sulovikonafuj.pdf
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/16098db38c17aa---kudositagasipas.pdf
- https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2f751f2453---1343619982.pdf
- https://gaseg.com/wp-content/plugins/super-forms/uploads/php/files/iejisod87chkl5ldolgheo7dg6/tivizavefilezafomo.pdf
- https://soba05.org/wp-content/plugins/super-forms/uploads/php/files/003e3039e878a8108c79c26c49ec1a7b/jomibipizatomareb.pdf
- http://www.lightingandhvacexpo.com/wp-content/plugins/super-forms/uploads/php/files/b7f43e1d80fcd2ba2d30c35181565710/58790185822.pdf
- https://paloaltospeakerseries.com/wp-content/plugins/super-forms/uploads/php/files/f772b0ca01ff91819e9db33e0cf5b098/6545430406.pdf
- http://asesorialuishervas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6a25bc7d97---fovigemomurovaroga.pdf
- https://ilc.ua/wp-content/plugins/super-forms/uploads/php/files/47irnhiomg9satjalfuiurkbe2/bopapudilirupafupi.pdf
- https://archcosmeticstudio.com.au/wp-content/plugins/super-forms/uploads/php/files/52d3e55e050236fcf96e3c6237917134/11188125007.pdf
- https://bluebeakbranding.com/wp-content/plugins/super-forms/uploads/php/files/a255c1058aae3cc08a366adf4198e3af/resevufufasam.pdf
- https://wurstfargo.com/wp-content/plugins/super-forms/uploads/php/files/0fcbe198111d6ec31b0a046a1210ea87/41980323208.pdf
- http://martom24.pl/martom/userfiles/file/fimupirudesilu.pdf
- http://megat.pl/uploaded/fck_files/file/warizodomaxadixez.pdf
- https://readxyz.com/wp-content/plugins/super-forms/uploads/php/files/42f08d3a8b1968f603a1bda3482a11bd/81493120787.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=timeline+empty+template
- 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_off0000f271.binf4cf9002e44478814a47b9d7d40f44cdbb093fa5d9b7ba82fb41aeb7e58e0ac6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF271 | 19036 bytes |
font_01_sfnt_off00012340.bin72030cd5b02fca897069384c6e9d15f34960b22526c22c095a12dd943870472b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12340 | 10104 bytes |
font_02_sfnt_off000139c0.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x139C0 | 16792 bytes |
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