MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many hosted on compromised WordPress installations or disposable domains, suggesting a phishing or malware distribution campaign. The PDF structure itself appears to be a link farm, designed to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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 https://wastran.ru/uplcv?utm_term=if+a+girl+loves+you PDF link annotation
- http://fixafilm.se/userfiles/file/79995777896.pdfIn PDF document text
- http://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bdb19dc75a4---tosanamelewatew.pdfIn PDF document text
- http://www.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607174da777b7---valosizuwalaz.pdfIn PDF document text
- http://www.serenissimaservizi.com//files/zunuwefazawup.pdfIn PDF document text
- https://nhachoxebus.com/upload/fck/file/60098456202.pdfIn PDF document text
- http://www.molinoag.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089f4b913741---65290671158.pdfIn PDF document text
- https://mabuksusu.com/contents//files/53747345615.pdfIn PDF document text
- https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608b13d51df8a---63331468991.pdfIn PDF document text
- https://sharzh-ufa.ru/wp-content/plugins/super-forms/uploads/php/files/6c0bd05bf93cdddcd8983a37d6cd9c87/rojipakobamatunapu.pdfIn PDF document text
- https://marmarases.com/upload/ckfinder/files/tikufekafevopebo.pdfIn PDF document text
- https://lexconsulting.ro/webroot/files/media/42100182737.pdfIn PDF document text
- http://cleanyachts.it/writable/public/userfiles/file/loxajebeviwazokubutofi.pdfIn PDF document text
- http://nutranghongngoc.com/media/ftp/file/52719133359.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e8ad09b4583---45984047308.pdfIn PDF document text
- https://livingcircles.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1607ba69e36d80---66645572055.pdfIn PDF document text
- http://erbamedica.org/userfiles/files/64575277015.pdfIn PDF document text
- https://alteanetworks.fr/img/file/99394125833.pdfIn PDF document text
- http://europeanprofservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160850be8b14d4---42186898559.pdfIn PDF document text
- https://thefertilizerequipment.com/d/files/larakotes.pdfIn PDF document text
- https://chandrakantmusicacademy.org/ckfinder/userfiles/files/61720038281.pdfIn PDF document text
- http://automsystem.com/UploadFile/file/20210508193321337.pdfIn PDF document text
- https://www.advids.io/wp-content/plugins/formcraft/file-upload/server/content/files/1608914987212a---67947504582.pdfIn PDF document text
- https://wccia-vastu.com/wp-content/plugins/super-forms/uploads/php/files/1ecddfd17263384f25e212e0c1b7970d/jixudobunugibosemafunoz.pdfIn PDF document text
- https://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160c9237f189ff---sezer.pdfIn 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://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_off0000eff4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFF4 | 10416 bytes |
SHA-256: b4d3428ede47e19e827cbbf6066916c0a67d867bc2064723cb1ea99cccfef9d6 |
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font_01_sfnt_off000107b4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107B4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011fc6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FC6 | 16880 bytes |
SHA-256: acf32a77132e0af0506298d44f1003c1fbd6da19259b0e0795eb254b71c75780 |
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