MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many of which are hosted on compromised CMS platforms or appear to be part of a link farm designed to obscure the true destination. The presence of PDF_RANDOM_URL_LINK and PDF_SEO_DISPOSABLE_LINK_FARM heuristics strongly suggests a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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://canyonoaksmtg.com/~duckdi5/canyonoaksmtg.com/content/file/mebefixigapagaberejezazin.pdf
- http://doublehappyvstheinfinitesadness.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088586782a27---50620168333.pdf
- https://www.auditek.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160796a4394e8f---futapiratapexu.pdf
- https://refundsrefunds.com/wp-content/plugins/formcraft/file-upload/server/content/files/160712710ad473---mutorize.pdf
- https://dichvumayphoto.vn/webroot/img/files/mobinenolobeku.pdf
- http://mesotects.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609820b8d2eea---lolitenaborakurepekaw.pdf
- https://roweryelectra.pl/app/webroot/uploads/file/16242651072139.pdf
- https://spazmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077a4d94c452---jososigapapikezajoporov.pdf
- http://salonlomi.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1607ddbaba2783---jikax.pdf
- http://beetsom.com/PROGRAM_FCKeditor_UserFiles/file/213388579960c362a5b4393.pdf
- http://anhuizhkj.com/upload_fck/file/2021-6-5/20210605205536496731.pdf
- https://ngoctraithaibinhduong.com/uploads/news_file/71586789151.pdf
- http://kojeneckezbozi.eu/userfiles/file/sipopatunivomunidukakinog.pdf
- http://inciboya.com/resimler/site/files/33352893182.pdf
- http://hifitness.hu/userfiles/file/84840847502.pdf
- https://www.ayersworthglen.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606eaf4040d47---revusa.pdf
- http://allg-gyn.ch/userfiles/file/sasokadijuvoderisebu.pdf
- http://igabana.com/upfolder/e/files/20210617184924.pdf
- http://www.gametimecatering.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5b4afcc5cd---15986388927.pdf
- https://clove7.com/userfiles/file/vajir.pdf
- http://mountcalvary76.com/clients/9/90/9062e1c9f2360b2cedac6e2854879500/File/zopemesalet.pdf
- http://gptools.net/userfiles/file/71353105946.pdf
- http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16084fc4c48a67---63472592323.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=small+business+search+engine+marketing
- 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_off0000f53f.binf8f38d436ef55182fb6746813268fc1fc2de7870634a29953fdd123f13a12c1b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF53F | 17328 bytes |
font_01_sfnt_off00012286.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12286 | 16792 bytes |
font_02_sfnt_off00013a9d.bin29474161c70e828747d9f8f019d58c3e5417aa2c39e974506d3da9646683a29d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13A9D | 10964 bytes |
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