MALICIOUS
196
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 contains numerous links to external URLs, many of which point to compromised CMS upload directories or disposable hosting, suggesting a phishing or malware distribution scheme. The primary attack pattern involves directing users to download further malicious content from these compromised sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9963
Heuristics 7
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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 to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://veterinarioassociatopacinidallatorre.eu/userfiles/files/radunawagimogevova.pdf
- http://aktasmatbaacilik.com/resimlerfiles/vemapoberoxiwedalobalil.pdf
- http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/160709bdb65b8a---18401841287.pdf
- https://petikdaun.com/contents//files/kireturuberelina.pdf
- http://www.justgiveahand.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a2f56625935---75485293291.pdf
- http://wilkinsconnection.com/clients/9/94/94ba1e7d864c5c8af3bb481f5f9f31de/File/4979883688.pdf
- https://tocgia247.com/wp-content/plugins/super-forms/uploads/php/files/p5flg7brqk37kpos3jcs5ue1da/291342183.pdf
- http://firmykominkowe.pl/Obrazki/edytor/file/84262626303.pdf
- https://wamsconference.com/wp-content/plugins/super-forms/uploads/php/files/2b372b4cd316449df95dc57492dea797/jatekezufarasavebu.pdf
- http://mesotects.com/wp-content/plugins/formcraft/file-upload/server/content/files/16124a7dd9aa1d---sononoresuwix.pdf
- http://osullivanspressurewashing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e549ea14db7---jarosobepepavafu.pdf
- http://vote4dannybarry.com/clients/2/2f/2f5d4f67c16906f9b09010289963de11/File/wurujikonugugulabuka.pdf
- https://thietbixanh.net/uploads/files/34976467183.pdf
- http://j1medical.com/uploaded/file/limoleropusavoz.pdf
- http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/be65489784b80a1c9834aefc951e2414/21383077008.pdf
- https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160d39ccdef351---mipoful.pdf
- http://thebrownbag.vn/upload/files/39113039555.pdf
- http://toanthinh.vn/webroot/img/files/wifitowiw.pdf
- http://busangh.com/attfile/fckimg/file///20210809141454_1015919893.pdf
- http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160769e7234950---fikimezijasipok.pdf
- https://musikkursus.dk/userfiles/file/37168138877.pdf
- https://engravestone.com/wp-content/plugins/formcraft/file-upload/server/content/files/160872ce5ccf2f---29181695276.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=software+pdf+editor+portable
- 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_off0000bcae.bin40827fdafc4c88711c53735231fa09504332e7b407163294faa4dd10177bf10f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBCAE | 20068 bytes |
font_01_sfnt_off0000efc3.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFC3 | 16792 bytes |
font_02_sfnt_off000107da.binf7fb36d23b51202c6d3df1cbbc0202441004defc1686931a9f08ca1e7ae5c0c1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107DA | 10520 bytes |
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