MALICIOUS
136
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1190 Exploit Public-Facing Application
The PDF document exhibits characteristics of an advance-fee scam, using lures related to lotteries, prizes, and courier deliveries. It contains numerous embedded URLs, many pointing to compromised WordPress sites, suggesting a link farm designed to distribute malicious content or redirect users to phishing sites. The ML classifier strongly supports the malicious nature of this PDF.
Machine Learning
- Nyx PDF Classifier malicious score 0.9915
Heuristics 6
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Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LUREDocument contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
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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://irlanc.ru/uplcv?utm_term=upper+primary+which+class
- https://nicemexico.net/wp-content/plugins/formcraft/file-upload/server/content/files/160c140a05091a---78787973092.pdf
- https://conexusinternational.com/ckfinder/userfiles/file/sariv.pdf
- http://www.socalgreatwhite.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b8e8a4b47d---vunuluzerefibagovonisebo.pdf
- https://www.dekleinewerf.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607e1062a814b---99754037689.pdf
- https://traveletrust.com/basefile/traveletrustcom/files/61315706056.pdf
- http://iideree.org/wp-content/plugins/formcraft/file-upload/server/content/files/160aed137bdc47---sinivabux.pdf
- http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/160b640756947f---lowinodeparawutexojuduvo.pdf
- http://shiraz.sk/ckfinder/userfiles/files/jefesilesi.pdf
- http://www.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160764513956a0---xudavibidugemunovevi.pdf
- https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/c86f6a17c36069b9ea4c1622c5b8c1e5/79476728709.pdf
- http://alpha-th.com/userfiles/file/komodumobakesajurifeta.pdf
- http://alnoorcity.com/userfiles/file/95294629263.pdf
- http://hillcountryawningsandsunscreens.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072bc4966f9e---voxusodufugaluniva.pdf
- http://www.thediethub.in/wp-content/plugins/formcraft/file-upload/server/content/files/16091569cd486c---jijawiviraruwiraxavipo.pdf
- http://allegroescrow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a02227e11c2---14597828703.pdf
- http://beytarimcilik.com/admin/editor_resim/file/14151168020.pdf
- https://deconkhoemanh.com/wp-content/plugins/super-forms/uploads/php/files/m2964tjfrclnvu5l4022dmhkpi/23475474405.pdf
- https://asiaviews.org/wp-content/plugins/super-forms/uploads/php/files/es03jeulggh9ku5mo7e6lsf9m0/65988119348.pdf
- http://www.bestlifepolicy.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160d696445a2df---xutunemadobi.pdf
- http://sistersaviopublicschool.com/userfiles/file/17866017112.pdf
- http://www.rec39.ru/wp-content/plugins/super-forms/uploads/php/files/117fc68915358af03a63e4bd12ad7e99/42307978615.pdf
- http://aimic.com/userfiles/file/rarajiziwokitusijefekages.pdf
- https://internationalmedia.com/userfiles/file/66830631267.pdf
- 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_off00024e69.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x24E69 | 16792 bytes |
font_01_sfnt_off0002667b.bind3a764d304f7b2f67962b62498ba8e445bee2cc2fdae5974ac9d4e64b34e53d7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x2667B | 19372 bytes |
font_02_sfnt_off000298ee.bin0e0653ce216a4c79d239774118503ce518cb8e5a4456e7fa6ab7ad52bfe430f1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x298EE | 10524 bytes |
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