MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF document flagged by ML classifiers and ClamAV as malicious. Heuristics indicate it functions as a link farm, with several URLs pointing to compromised websites and disposable hosting, a common tactic for phishing or malware distribution. The 'SE_PAYMENT_REDIRECT_LURE' heuristic specifically suggests the document attempts to trick users with fake financial instructions, aligning with a phishing attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9966
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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Payment redirection / bank-detail change lure high SE_PAYMENT_REDIRECT_LUREDocument describes new or changed bank, wire, ACH, IBAN, SWIFT, or routing instructions — a high-value business-email-compromise pattern
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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://china-zzld.com/uploadfile/file///2021061601383566.pdf
- https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16071e118de96b---lovobalifuruwuxi.pdf
- http://hutbephottaihaiphong24h.com/upload/files/tekagumepigenajene.pdf
- http://hrudolf.com/userfiles/wileleze.pdf
- http://toddfamilyreunion.com/clients/4/48/482e924d5a052aa4a0c13eb8a30e0bc8/File/dijofanag.pdf
- https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/62d91cnbp9jj2n041gqok46rp5/riwimifetasewetepare.pdf
- https://aspaeng.com/files/image/files/27228744572.pdf
- https://travelsafeway.com/userfiles/file/lununimazafosolexifirod.pdf
- https://cullinanconstruction.com/wp-content/plugins/super-forms/uploads/php/files/cpra54n3b576cf16is80v4pgbk/52844446506.pdf
- https://limpjet.com.br/wp-content/plugins/super-forms/uploads/php/files/dd280ebe4c6fb24a6304d280a0a020d6/90175788603.pdf
- https://glass-haus.ru/wp-content/plugins/super-forms/uploads/php/files/62aae660fe29273de2fac747e7b7ae24/vijedewalofekij.pdf
- https://etre-cheval.fr/Applications/MAMP/htdocs/etre%20cheval/news_pix/file/xumegisasafefa.pdf
- https://provisionsinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac560c6da8e---93100511826.pdf
- http://rencontres-icare.org/userfiles/file/1650571878.pdf
- http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/sfqqao1kok8kl45v811n8sh7i0/walikuraxozezubakobetir.pdf
- http://www.kindytennis.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5f1bb02d11---35135860152.pdf
- https://yidinfo.net/wp-content/plugins/super-forms/uploads/php/files/c8t8lp7ggo7vc8j93l7u31l11l/83445173325.pdf
- https://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160acd67db2e16---48490916686.pdf
- https://mamproducciones.es/wp-content/plugins/formcraft/file-upload/server/content/files/160745899494f8---jesilojoguximunigunegu.pdf
- http://ohappy.org/userData/board/file/79523536353.pdf
- http://vipavtoufa.ru/wp-content/plugins/super-forms/uploads/php/files/485b366ea5ed2b87a0f2920ae9aff312/37244594904.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=check+followers+of+private+instagram
- 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_off0001140e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1140E | 16792 bytes |
font_01_sfnt_off00012c20.binb93be4a683534796c5d8970174c6f75b3a953e624d8903febe0879dec5e6e67d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C20 | 17164 bytes |
font_02_sfnt_off0001592c.bind917dc77b22fe327f3f182bb8972699d9c5270541e1bf2cc3ef6ff06e6a75521 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1592C | 11200 bytes |
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