MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many pointing to compromised CMS upload storage or disposable hosting, suggesting a link farm designed to obscure the final destination. The presence of these links and the overall structure strongly indicate a phishing or malware distribution attempt, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9887
Heuristics 6
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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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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://pagyesa.org/userfiles/file/20210724184852.pdf In PDF document text
- https://dukeofmarshall.com/ckfinder/userfiles/files/bogaxibixetera.pdfIn PDF document text
- http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/160941634047b9---5514984898.pdfIn PDF document text
- http://ahcxdq.com/uploads/file/221156304065.pdfIn PDF document text
- http://kiemtoanhaiphong.vn/upload/files/mabixupelilodal.pdfIn PDF document text
- https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f6b3db316f---5387798178.pdfIn PDF document text
- https://anmoul.com/userfiles/file/61523810758.pdfIn PDF document text
- https://bringem.de/wp-content/plugins/super-forms/uploads/php/files/606e09a28837ab13ec45637ca48c0bb2/7338228805.pdfIn PDF document text
- http://sentezetutmerkezi.com/upload/ckfinder/files/82574516759.pdfIn PDF document text
- http://tecresconsolidamentorestauro.it/fck_data/file/galegufupixaseveru.pdfIn PDF document text
- http://madmojo.com/fckupload/file/29636430915.pdfIn PDF document text
- https://coloreverything.love/wp-content/plugins/super-forms/uploads/php/files/a5d515b855f90d17b18de857229d4aaa/5023846270.pdfIn PDF document text
- http://www.majoriscambio.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608e1e29bcbd3---kekixumenogofive.pdfIn PDF document text
- https://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160da91038238b---devugiwisawaximoxozemoken.pdfIn PDF document text
- http://www.orhancoskun.com/wp-content/plugins/formcraft/file-upload/server/content/files/160825f982be21---77307321495.pdfIn PDF document text
- http://www.cheapmotorcycleinsurancepa.com/wp-content/plugins/super-forms/uploads/php/files/65oipdd8ik5iikev75qvogqal4/kesafevofezo.pdfIn PDF document text
- http://baugeraeteverleih.de/benutzerdateien/zarorinidopimuge.pdfIn PDF document text
- https://maxim-catering.de/wp-content/plugins/super-forms/uploads/php/files/ribitqaa4r1plbtg85vhlo7plb/zodekaxuzifigir.pdfIn PDF document text
- http://morgancountyoh.com/userimages/vefubikijesekegovebixe.pdfIn PDF document text
- http://urduhadith.org/survey/userfiles/files/fuworamibogiwijef.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/70945228595.pdfIn PDF document text
- http://www.christianhouseshare.com.au/ckfinder/userfiles/files/dalodukonoxip.pdfIn PDF document text
- http://www.pointcookelectrician.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609cc75191ed1---jelozowuwarefagojumo.pdfIn PDF document text
- https://dermatologie-chamonix.com/userfiles/file/gutekodabujebexorobuminas.pdfIn PDF document text
- https://westcoastmovers.ca/wp-content/plugins/super-forms/uploads/php/files/m2leapgtmk0eagqk2avtk4e1vs/givarelimokikonuvirugiver.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=download+bully+lite+v3+apk+dataPDF link annotation
- 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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_003_off000112d2.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x112D2 | 22948 bytes |
SHA-256: ec01939a6a1948868c207ce33e8e4a638fd04cea6ccfb8dc3b8b723e587dafe2 |
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font_00_sfnt_off0000fac1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAC1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013bd2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13BD2 | 18472 bytes |
SHA-256: 55cb07a60f4561fe8523d09fee6054a911b0060ea642565bc31858179581ba37 |
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font_03_sfnt_off00016cfa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16CFA | 10888 bytes |
SHA-256: 2a96bbb76d2efc370ee664bfbb3c4c385a83bd54af18d14fa2212126759e7a02 |
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