MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier indicating a high probability of maliciousness. The file functions as a link farm, with numerous embedded URLs pointing to compromised WordPress sites and other disposable hosting. These links likely serve to distribute further malware or conduct phishing attacks.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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://kimhoatra.com/upload/fckimagesfile/rufizek.pdf
- http://dansecyr.ca/pdf/file/bavomejeju.pdf
- https://ccveg.org/wp-content/plugins/super-forms/uploads/php/files/9q3adlqh70e1u52fcj05jeppah/wizemujak.pdf
- http://stylekd.ru/files/77339992284.pdf
- http://mpu-beratung-brendle.de/userfiles/file/bedogamutovif.pdf
- http://mirrorgallery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160821af16beb2---merilazujofesil.pdf
- http://victorylimo1.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a3239b60fe---5049173421.pdf
- https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/b364cd9de69694be497f6213bb2c51a7/10930331457.pdf
- http://selfmadefilms.nl/userfiles/files/mavuravimaradofi.pdf
- http://droprint.my/home/ququ4923/public_html/userfiles/file/kazomegoxoturugupewofipo.pdf
- https://law.myvzl.com/wp-content/plugins/super-forms/uploads/php/files/jgih2du19745ilt81644orhnop/51435496177.pdf
- http://grupogmec.com/wp-content/plugins/formcraft/file-upload/server/content/files/160703067aac46---12205749202.pdf
- https://htfcompact.com/wp-content/plugins/super-forms/uploads/php/files/72cf5ca0a5ea83ad7faa2b9b6d95ce2c/32060052784.pdf
- http://rogo-rotterdam.nl/files/47901783711.pdf
- https://socialacademy.gr/wp-content/plugins/super-forms/uploads/php/files/16c40490206ba4393fce006032dbe4d7/fewovejujejorararupi.pdf
- http://extreamtuning.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160c096dedcf18---47311476523.pdf
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/3phn5lqldb0gtebeildm9qpuif/37952183463.pdf
- https://ipcare.nl/wp-content/plugins/super-forms/uploads/php/files/1c134d8fvs86lcbecjg68l4lha/30043475774.pdf
- http://kalmi.ru/upfiles/files/lememo.pdf
- http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160c1f6435e939---28022478336.pdf
- http://iseveranscopy.com/upload/editor/file/45069479931.pdf
- http://www.blueoak.fr/image/file/nekisosewi.pdf
- https://bloomeng.com/uploads/wenogezipuju.pdf
- http://gianphoiduyloimodel.com/Images_upload/files/larimupare.pdf
- http://nessium.net/userfiles/file/10897881448.pdf
- https://primeodontorj.com/wp-content/plugins/super-forms/uploads/php/files/4ffb037dbfc57898e3d21f3fa0f8dee3/wasoro.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=how+to+hack+in+fallout+3
- 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_off0000f85a.bin4fd947d0c44ab0782f6947f5d09cc148fefed325f769dfc26d74cdcf28a35901 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF85A | 10476 bytes |
font_01_sfnt_off00011024.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11024 | 16792 bytes |
font_02_sfnt_off00012836.bin970bd9cc30272c64ffd0ddd408300ab218c12f5cd3c1bb08c78b0ced85f1c7c5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12836 | 17496 bytes |
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