MALICIOUS
176
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 CMS platforms or disposable domains, suggesting a link farm designed to distribute malware. The ML classifier and ClamAV detection strongly indicate malicious intent. Although no scripts were explicitly extracted, the PDF structure and embedded URLs point towards a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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://atraba-holding.com/userfiles/file/lawom.pdf
- http://pincailight.com/zk/UploadFile/file/2021071612231473499.pdf
- http://penoplex24.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160b75965946dc---bofoxuw.pdf
- http://bike-aholic.com/UserFiles/file/50392092521.pdf
- http://www.sandzthabapanel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16126199bdc26c---25801018403.pdf
- https://norservis.info/files/files/67327943116.pdf
- http://rvhifi.cz/files/file/44503639511.pdf
- https://puertoestereo.com/wp-content/plugins/super-forms/uploads/php/files/mploiuo0521c0d95n7hpf513dk/dumomukajolibiwipexi.pdf
- http://dinobajka.pl/Upload/file/kuxefuji.pdf
- http://sjanzee.nl/file/52190389642.pdf
- https://provisionsinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6da03d37ec---gedegiginepadirulifo.pdf
- http://www.annaleehuber.com/content_files/file/31662656410.pdf
- http://makaifruits.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f44323c649---76365152664.pdf
- https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/75ca68329e5f2f511d4450f4b8ee5892/31451751311.pdf
- http://s8radziejowice-paszkow.pl/userfiles/file/sodilusodolatajapolusize.pdf
- http://ahcxdq.com/uploads/file/292020115534.pdf
- http://toyotacri.com/userfiles/files/78842241585.pdf
- http://kondicionery-dolgoprudny.ru/upload_picture/file/lodatu.pdf
- https://shotclock.ca/wp-content/plugins/super-forms/uploads/php/files/9f06a2f49a7fa9201c987521e04f2781/39738334618.pdf
- http://79.170.40.182/boothtastic.com/wp-content/plugins/formcraft/file-upload/server/content/files/160758137409ae---lijukene.pdf
- https://rclurie.com/wp-content/plugins/super-forms/uploads/php/files/f33fc62801e93c768849d488ef1a04fa/janiginidusu.pdf
- http://zamdq.com/filespath/files/20210815081632.pdf
- http://centroolosprato.it/userfiles/files/jizobutidaxik.pdf
- http://inspirationallabels.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16074380adbac4---rikoruko.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=merge+pdf+with+adobe+reader
- 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_off0000ee78.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE78 | 16792 bytes |
font_01_sfnt_off0001068f.bin7f5ede125db8cbe55b0f790c84c86ef664b5c6e84c0a2b957816fe6baf29baee |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1068F | 10680 bytes |
font_02_sfnt_off00011ec3.bin674c7ed490738a699d3578a135e8b736a3f13c876224440113deeaeac2c54a27 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11EC3 | 18376 bytes |
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