MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample is identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics reveal that the PDF acts as a link farm, pointing to compromised WordPress upload storage and other disposable hosting sites, suggesting it's designed to distribute further malicious content. The presence of a 'download button' lure reinforces the phishing or social engineering aspect of the attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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 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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://dichvuhappyhouse.com/upload/files/tatopo.pdf In PDF document text
- http://silver1979.com/upload/file/sagijeminizusan.pdfIn PDF document text
- http://faw-asia.com/image/upload/files/35329326459.pdfIn PDF document text
- http://cuanhuaabshanquoc.vn/files/83327092712.pdfIn PDF document text
- https://clickbox.ro/images/file/22548554999.pdfIn PDF document text
- http://geometrarontani.it/userfiles/files/81714518181.pdfIn PDF document text
- https://www.paseppe.gr/ckfinder/userfiles/files/jepewegas.pdfIn PDF document text
- http://slmj8.com/data/userfiles/files/jizuzivagafak.pdfIn PDF document text
- http://www.hgbehringer.de/img/files/files/pijamarifunurikafuvo.pdfIn PDF document text
- http://chongthamphucthang.com/images/news/files/gumaponomebosose.pdfIn PDF document text
- http://aibasylhet.edu.bd/app/webroot/ckfinder/userfiles/files/saredotam.pdfIn PDF document text
- http://xlpe.net/Images_upload/files/67361716425.pdfIn PDF document text
- https://www.horisunmauritius.com/wp-content/plugins/super-forms/uploads/php/files/053b3e33c54c9469e83bd80261c09efa/64923056730.pdfIn PDF document text
- http://avalon-essenzen.at/userfiles/file/84638454389.pdfIn PDF document text
- https://dedywiredja.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131f472da6de---niwomoxajutobuzowumo.pdfIn PDF document text
- https://gospel-streams.com/asset/ckfinder/userfiles/files/45371736738.pdfIn PDF document text
- http://sangjeom.com/userfiles/file///99663171393.pdfIn PDF document text
- https://banktapeunadana.com/tapeunadana/bank2/admin/userfiles/file/2995740130.pdfIn PDF document text
- http://bhk-aindling.de/userfiles/files/budipuvoximod.pdfIn PDF document text
- http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131f290b831b---2389992232.pdfIn PDF document text
- https://supermovi.com/userfiles/files/63425061254.pdfIn PDF document text
- http://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f277d75ec3---34345245651.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=anime+moba+offlinePDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000da7a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA7A | 10132 bytes |
SHA-256: 05f407a1571a300204db41381d4650e843b31a05e1c628738fa627a922e46636 |
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font_01_sfnt_off0000f10a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF10A | 17492 bytes |
SHA-256: 1bf0cbd920de659e89c846e1e3b1041ca7bfed47e074cacbe068dbe3d5d00c13 |
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font_02_sfnt_off00011e9a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E9A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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