MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample is a PDF file identified as malicious by ClamAV and an ML classifier. It contains numerous embedded URLs, many of which point to compromised CMS upload directories or disposable hosting, indicating a link farm designed to redirect users. The presence of these links suggests an attempt to lure victims to malicious websites, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9935
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://archltginc.com/wp-content/plugins/super-forms/uploads/php/files/55fbedac3a6d419cff859c173f26d13e/lutomimikopeji.pdf
- https://xlux.vn/wp-content/plugins/super-forms/uploads/php/files/8ov92ofj3udr1k4clujho20qls/36106968828.pdf
- http://snookerfootball.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160ce095b67ee3---95316470009.pdf
- http://kirilmazbardak.com/userfiles/file/mefujator.pdf
- https://activepymes.com/pub/file/86654245458.pdf
- https://singaporenotarypublic.com/wp-content/plugins/super-forms/uploads/php/files/441d4f92b4fd9211b67cd23094b8932f/6253159619.pdf
- https://www.hed-endo.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1606d6691bf4d2---34803342040.pdf
- https://alakharia.com/public_html/userfiles/file/wijasinomusujifiravisaj.pdf
- http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9ee67b0351---zupekilux.pdf
- https://www.ikedatosou.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c856f68718f---14413606601.pdf
- https://www.allterra.group/wp-content/plugins/super-forms/uploads/php/files/3081aff7100cecce607197b405e61bb4/fezebupufixedir.pdf
- http://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4c2adbdf83---zabebiwadurawitozafo.pdf
- http://okmarin.ru/userfiles/file/sugijofu.pdf
- http://madiagranitosilano.it/userfiles/files/zidavuzukanojajelo.pdf
- https://davebakeragency.com/wp-content/plugins/super-forms/uploads/php/files/dcd3eb9e9dc63a5c1a72dd3135d325ef/musok.pdf
- http://blessingsngo.in/userfiles/files/92085700102.pdf
- http://lynhuagiasi.com/Images_upload/files/60524056641.pdf
- http://ideatity.com/ckfinder/userfiles/files/64579805833.pdf
- https://barcelonamedicalcenter.com/files/galeria/files/40765814739.pdf
- http://xn--clinicaquirogavilario-vbc.com/wp-content/plugins/super-forms/uploads/php/files/kp1bp1mhkae0s7ec6c0unbocu4/29579894994.pdf
- http://musorcentrum.hu/files/article/file/rafukexitoxelovife.pdf
- http://cdwy028.com/uploadfile/file/20210523123351.pdf
- https://apexforestservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607254d08a4cd---47243596460.pdf
- http://kulturazebrak.cz/userfiles/42819227695.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=amazon+interview+questions+and+answers
- 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_off000108f6.bin4ffb81190596ef6209b19bc4b3e7541e908294c5c309a3d6440e7567ae62f8d3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108F6 | 17848 bytes |
font_01_sfnt_off000137da.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x137DA | 16792 bytes |
font_02_sfnt_off00014ff1.binf0d0477429c2c464d51b6bf53e2de6b2e90cef129bb931a20cd05f1f2084a570 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14FF1 | 10804 bytes |
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