MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF document that contains numerous links to external resources, many of which are hosted on compromised websites or disposable domains. The 'SE_PASSWORD_ARCHIVE_LURE' heuristic indicates the document likely provides instructions to decrypt a password-protected archive, a common tactic to evade security scanning. While no scripts were explicitly extracted, the presence of PDF links and the overall structure suggest a phishing or malware delivery attempt, likely using embedded JavaScript for execution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://ladida.asia/sporlegen/administrator/imagetempfile/zamozizuzowojisivutifaf.pdf
- http://ruihuitax.com/files/file/1694037095.pdf
- http://sungwoo-n.com/userfiles/file/12190526.pdf
- https://phoenixknights.co.uk/wp-content/plugins/super-forms/uploads/php/files/c69aed05f15e473061645756b6f2b671/kudujiwimalope.pdf
- http://ngocvietbungalow.com/upload/files/19417013562.pdf
- https://www.vigo.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1613dc47dae447---tidukixogepovuro.pdf
- http://beautifulmoda.com/userfiles/files/19688760110.pdf
- https://twinscooking.nl/twins/userfiles/file/60412914452.pdf
- http://sualpturizm.com/userfiles/file/tamozarekorovazugifolora.pdf
- http://industrialdevices.in/uploads/geromaverovitetunotasi.pdf
- https://lodoshosting.com/calisma2/files/uploads/tidonovimegesobadagasenug.pdf
- http://provia-events.de/pics/fotos/1/file/dafutevelemejadelimoxa.pdf
- https://canionglobal.com/FCKeditor/file/jerarip.pdf
- http://hyunshin.net/userfiles/file/zogagibota.pdf
- http://xn--80aaaghhaztbcd1agjgbccsgfftf.xn--p1ai/pict/file/87598365308.pdf
- https://grouptm2.com/contents/files/73675645894.pdf
- https://cissud.com/uploads/ck_editor/files/65731067748.pdf
- http://driver-jazda.pl/upload/file/37135801401.pdf
- http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/e50f94ea46c2817879deebbb4585a0d9/19138023453.pdf
- http://prota.ru/upload/files/nosamelurirotit.pdf
- https://bostoncake888.com/UserFiles/files/23200841287.pdf
- https://artistprasanna.com/userfiles/file/lajixaluzerewora.pdf
- http://szentdorottyapatika.hu/files/10419579070.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=freezer+apk+deezer
- 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_off0000d2e7.bin5b8111945da417e76564619ee12da5feec824201f54ec3b5d10f38e71015e640 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD2E7 | 18792 bytes |
font_01_sfnt_off0001038e.bin154352e036cd7d03f134ffa5b4a64b6c6823eec61f81b3710fc9e9a85562ac8e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1038E | 9888 bytes |
font_02_sfnt_off0001196f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1196F | 16792 bytes |
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