MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Numerous embedded URLs point to compromised WordPress installations and other domains, suggesting a phishing or malware distribution campaign. The PDF structure and embedded links are consistent with a spearphishing attachment used to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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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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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://crewmak.ru/uplcv?utm_term=vorstellungsgespr%25C3%25A4ch+englisch+pdf PDF link annotation
- https://intelean.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c520b2d334---81514083383.pdfIn PDF document text
- https://turbooto.vn/upload/files/vutebetepop.pdfIn PDF document text
- http://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/6a38f511e936ea5b03a83515e265345a/35650739072.pdfIn PDF document text
- https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/o934gndegm1oc136aajr23o9p8/nefusewurolaje.pdfIn PDF document text
- http://mko-yug.ru/wp-content/plugins/super-forms/uploads/php/files/eb9599bcb7f66aee515877211d30bfbd/5003100065.pdfIn PDF document text
- http://uralinteh.com/uploads/files/dajujuvagezoxojezof.pdfIn PDF document text
- http://www.toptehnik.si/images/32382663249.pdfIn PDF document text
- http://erfolgsapp.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607b606971b85---11711027785.pdfIn PDF document text
- http://anjilh.com/uploadfile/file/%5C/2021050214563638.pdfIn PDF document text
- https://nutricionintravenosa.com/wp-content/plugins/super-forms/uploads/php/files/7ef229f93d9b9b79e1505debae5e6aba/79474081602.pdfIn PDF document text
- https://digireg.se/upload/depeseraxefudisazuvufivol.pdfIn PDF document text
- http://www.skup.it/wp-content/plugins/formcraft/file-upload/server/content/files/1606fe6611ba65---zegipijuboladivotanutakob.pdfIn PDF document text
- http://alexhofford.com/temp/files/file/namemujebolelipisevevipob.pdfIn PDF document text
- http://dansecyr.ca/pdf/file/bevosov.pdfIn PDF document text
- https://transcendenceit.com/wp-content/plugins/super-forms/uploads/php/files/fbe1d85562aab5206bc36643dd052fc9/68161212091.pdfIn PDF document text
- https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/8taslms7p53ijirs0b0c5fv474/27892865734.pdfIn PDF document text
- https://www.nobleorthodontic.com/wp-content/plugins/super-forms/uploads/php/files/8e6aae7e031288d76b2a3f2fc799dfa7/marusisex.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- 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://scripts.sil.org/OFLIn 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_off0000f0fb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0FB | 5408 bytes |
SHA-256: afdeba7d59388324f8419f6a7f94368f96bbae78ed5c3b278a09c2a2925565b5 |
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font_01_sfnt_off00010358.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10358 | 11392 bytes |
SHA-256: 9e3dfad20ef8a8a5202b0a4017f977efa5b5ba8d837f3549c63cbd88f23b8502 |
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font_02_sfnt_off00012944.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12944 | 16236 bytes |
SHA-256: 121f8379a21142f1ff3315fea682c5034dccbaaf667cc94ca10535b93ba1d278 |
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