MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and ML classifiers, indicating a phishing or malware distribution attempt. It contains numerous links to external websites, many hosted on compromised WordPress installations, suggesting a link farm designed to redirect users to malicious content. The presence of these links and the overall structure strongly suggest an attempt to deliver a second-stage payload or phish for credentials.
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://vonkoenigsmund.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca49b2a47e---xafekuwu.pdf
- http://www.sealjet.mn/pictures/files/3407363311.pdf
- http://centrons.com/uploaded/file/114371602560c30d188c318.pdf
- https://bajrahrs.com/userfiles/file/gibamidikosud.pdf
- https://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160701b91e9ba2---10928560106.pdf
- https://webtraffic.ch/wp-content/plugins/super-forms/uploads/php/files/ksvqua2l0ledeph4a1rsdnh4og/99998774472.pdf
- http://insidethedigitaltrend.biz/userfiles/file/64500660450.pdf
- http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/160c26f8177c3d---28320559936.pdf
- https://rmissio.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1608610ebf191d---55966710000.pdf
- http://ip-golubev.ru/ckfinder/userfiles/files/98478360711.pdf
- http://www.danvillern.com/wp-content/plugins/super-forms/uploads/php/files/k9rfc0flpknobsjjo68dj3i0l3/67309926375.pdf
- http://sola-brothers.com/userfiles/file/86315870730.pdf
- http://doublehappyvstheinfinitesadness.com/wp-content/plugins/formcraft/file-upload/server/content/files/160910a018a248---80285702760.pdf
- https://whiteelephant.co.in/wp-content/plugins/super-forms/uploads/php/files/913ab33158b86c0e6347be9c66324e45/67834849930.pdf
- https://dacoma.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a4e623573b5---vevidipukedezutogebudovi.pdf
- https://www.cdscabling.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16070b266e4997---kefano.pdf
- https://asiaviews.org/wp-content/plugins/super-forms/uploads/php/files/jhlisnfoortamdkksl877hejr2/ganasodabazasedolanupat.pdf
- http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609e5698b1d59---64033990327.pdf
- http://kath-kiga-bw.de/bilder/berichte/file/jazikivesitipa.pdf
- http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16083c7ca331cd---sazilubirik.pdf
- https://desertflying.club/wp-content/plugins/formcraft/file-upload/server/content/files/160bb906a012df---49139907877.pdf
- https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/d857842e6465f5a03edc521fc36953fd/pejivixagodamavazewepufa.pdf
- http://www.blackhillsdancecentre.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6a0614027f---basovefurufurutatex.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=one+flew+over+the+cuckoo%27s+nest+theme
- 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_off0000ee4e.bin297b67d31efd9b57e78be899f3750316768b2332502a21c419fcf7123484eea9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE4E | 10748 bytes |
font_01_sfnt_off00010709.binc5d93440a1f3ecc74744eb9f78372b8ba338d3ab71758b56a1d39a1f2d089fb2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10709 | 16376 bytes |
font_02_sfnt_off0001311f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1311F | 16792 bytes |
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