MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external websites, many of which are hosted on compromised WordPress installations or disposable domains, indicating a link farm designed to distribute malicious content. The ClamAV detection and ML classifier strongly suggest this PDF is malicious, likely serving as a lure for phishing or malware delivery. No scripts were extracted, but the high number of suspicious URLs points to a primary attack vector of directing users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
Heuristics 7
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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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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 https://www.goldenplanet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160c33cb4475b8---12791899063.pdf
- http://ibtaker.ps/userfiles/file/32619843110.pdf
- https://www.acptechnologies.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b27da6a9fb6---86407646188.pdf
- http://ekachaiguitarist.com/ckfinder/userfiles/files/70524944875.pdf
- http://fixmyhelicopter.com/project-new/christianbook/upload_images/file/75665987894.pdf
- http://evevoyance.fr/adh/.-/file/45694069916.pdf
- http://sweatrinserepeat.com/ckfinder/userfiles/files/76313127366.pdf
- http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/27p8n69kbp4g654dpvcb8qtio7/domekovezijuloxevasogame.pdf
- http://lnyuanzong.com/uploads/files/20210817080224.pdf
- http://lsphc.com/userfiles/file///53641887979.pdf
- http://kosmonautika.ee/ckfinder/userfiles/files/benof.pdf
- http://szolnokepul.hu/userfiles/file/gidosufofenuzute.pdf
- https://club-sports.net/uploads/products/files/45077542270.pdf
- https://smoothnomad.com/wp-content/plugins/super-forms/uploads/php/files/jhp23nk9sbsrmo8la1i04e147n/892599264.pdf
- https://nusbetaja2.com/contents/files/69872420006.pdf
- http://climtech.com/files/files/judulalatamuzifapizesitax.pdf
- https://realimpacto.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609868559a1bf---9278589301.pdf
- https://dfa-finanz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160cb3707d357b---40889943755.pdf
- https://hosvagyok.hu/userfiles/file/75750802898.pdf
- https://www.darrellstuckey.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b734c29a185---18249696051.pdf
- http://bochosushi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5d8dad647c---3414937032.pdf
- https://gulf-rope.com/images/bulk_images/files/30384819785.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=combining+like+terms+puzzle+pdf
- 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_off0000cadb.bin91f4b50b9b82b8fd33d8920dd43232ba8d8b2f55de58339bc4a022e4df157504 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCADB | 16452 bytes |
font_01_sfnt_off0000f4f6.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4F6 | 16792 bytes |
font_02_sfnt_off00010d0d.bine1d29747967fc8681a4d45dcf515a79d16d3327915de9e49c50d08256f41a248 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D0D | 11104 bytes |
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