MALICIOUS
216
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics as malicious, including a high-severity PDF_RANDOM_URL_LINK and ML_NYX_PDF_MALICIOUS. The document contains a link farm pointing to compromised WordPress sites, suggesting an attempt to distribute further malicious content. The presence of a callback lure heuristic indicates a potential phishing or scam attempt. No scripts were extracted, but the overall structure and URL patterns are consistent with phishing campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
Heuristics 8
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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 to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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://tuabogadoangel.com/wp-content/plugins/super-forms/uploads/php/files/8a9e12327e6d3d222b439625fc210bc5/tekomamemepijatevebepokum.pdf
- http://stevis.cz/files/file/rifikif.pdf
- https://thucphamtruongxanh.com/Upload/files/kawusefijuguge.pdf
- http://saludocupacionalpso.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/1606cbaca9ea23---21535078338.pdf
- http://www.sensible-seeds-premium.com/wp-content/plugins/formcraft/file-upload/server/content/files/160710c8439049---lofifotazedazok.pdf
- http://wildpflanzen-planung.de/file/46889445912.pdf
- http://capmar.eu/userfiles/file/6169266009.pdf
- https://dipinkrishna.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e23c5c18a7---70620884346.pdf
- http://www.cargeacrew.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606eeebe2fd01---xaxenilolaferotexonulaw.pdf
- https://chrmglobal.com/userfiles/file/95388184193.pdf
- http://techbis.pl/files/file/84728912517.pdf
- https://bringem.de/wp-content/plugins/super-forms/uploads/php/files/46cf3b8914221a1122e7a75579419781/10954256013.pdf
- http://mariopresto.pl/userfiles/file/doxunizokol.pdf
- http://beckydavidsonhomes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0506cd76c2---27457277022.pdf
- http://lisahyatthealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086f30b12d5e---27545723249.pdf
- https://okvino.it/file/15921531809.pdf
- https://aimara-bg.com/userfiles/file/pazivegegimupataxituj.pdf
- http://ahlhy.com/uploads/file/091917481501.pdf
- https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/16085fa7519319---55336325672.pdf
- http://duda-tech.pl/dudatech/upload/file/36646695085.pdf
- https://www.citysecurity.org.uk/wp-content/plugins/super-forms/uploads/php/files/shc21coefem4posumrm4acaaua/19935320086.pdf
- http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/9llhf8gnikrlftgo4eb4kgl585/2456845224.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=wings+of+fire+bengali+version+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_off0000e8f7.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8F7 | 16792 bytes |
font_01_sfnt_off0001010e.bin712fc3026fee87af338ec0c744ada954b69e3f7a91c281cc252919438f60b4ac |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1010E | 10772 bytes |
font_02_sfnt_off00011987.bin6ae9524a14d7c7664c1daf51b09105987d4cf37e10354bdb75b0645d0d29ae82 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11987 | 17220 bytes |
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