MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. The 'SE_BROWSER_INSTALL_LURE' heuristic indicates the document's content is designed to trick users into installing software. Multiple URLs point to compromised WordPress sites, suggesting a distribution mechanism for malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
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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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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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 http://midiabyz.com/wp-content/plugins/super-forms/uploads/php/files/8bdf3cb042d05ecf4f2a54710010431d/65742428622.pdf
- https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609cb2389c600---lavejop.pdf
- https://mymovingestimate.com/wp-content/plugins/super-forms/uploads/php/files/81f16eb9ac41059632a64c4b7ef87886/ropavapenuzer.pdf
- http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a764d332e44---voxirazeji.pdf
- http://ankaser.com/userfiles/file/zarajajulafe.pdf
- https://dubaimotorcycletours.com/uploaded_images/files/85727263866.pdf
- https://cleaner.pl/userfiles/file/27512453251.pdf
- http://ednak.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094203bba7b8---lofiwip.pdf
- https://webtraffic.ch/wp-content/plugins/super-forms/uploads/php/files/qsuaa8vh5bebbpojst75rnkpfb/47566031343.pdf
- https://www.indee-r.fr/wp-content/plugins/super-forms/uploads/php/files/eb81ef9fd6cf1162abf61c2e47c544c6/gajokon.pdf
- https://www.ptlittleflower.org/wp-content/plugins/super-forms/uploads/php/files/5qnle4mcc0af9f6toie8ji1nno/fijibewosisibogitanak.pdf
- http://www.jesuseslaroca.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b0940d98a42---xorukudaxepepalasunidi.pdf
- http://steakclubhn.com/campannas/file/75487153438.pdf
- http://lotuscourtpune.com/wp-content/plugins/super-forms/uploads/php/files/8lsl9fost7h05qeeqcalp0t012/vobirikone.pdf
- http://aire-limpio.com/img/editor/file/75854965258.pdf
- http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b23d23c495c---xotuderusuvarujama.pdf
- http://2girlstrippin.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ea0235b5c7---melukuri.pdf
- http://barnesfamilyre-union.com/clients/52050/File/nuwupofazajaxozanufiwo.pdf
- http://anhuizhkj.com/upload_fck/file/2021-5-12/20210512080851377420.pdf
- http://www.alfainstal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160721201c12a6---fununav.pdf
- http://pvsystexperts.com/wp-content/plugins/super-forms/uploads/php/files/q478nfjg2fq9ckibtvt3gej0b2/12081997349.pdf
- http://citra.cl/userfiles/file/roxovunixopowidedidumujod.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=uninstall+chrome+extensions+manually
- 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_off0000ff78.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF78 | 16792 bytes |
font_01_sfnt_off0001178a.bin900b3ee8fa6685a52500bdb7b9c43ec0153a6b6bcbbd25161a35d2852a54e174 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1178A | 16816 bytes |
font_02_sfnt_off0001435b.binbfe43830b71bfc593b1d8beee6eb9107084079d2fc30cc953dc856b4cff723c7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1435B | 10820 bytes |
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