MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ClamAV as a phishing trojan and by an ML classifier as malicious. It contains numerous links to external websites, many of which are hosted on compromised CMS uploads or disposable domains, suggesting a link farm designed to distribute malware or conduct phishing. The document body is heavily obfuscated and unreadable, but the presence of embedded URLs and the heuristic firings strongly indicate a malicious intent 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 http://afghansolar.com/userfiles/file/likuxifapunijuwap.pdf In PDF document text
- http://www.annaleehuber.com/content_files/file/zoxizuxelolisowuduvir.pdfIn PDF document text
- http://rungruangsteel.com/public/upload/userfiles/files/17445712101.pdfIn PDF document text
- https://victory-agency.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f6e233f177---rojuzusewusaku.pdfIn PDF document text
- https://guanlai.tw/uploads/files/202108181400486748.pdfIn PDF document text
- http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607c58f62af29---rirakobesudozupekafupidev.pdfIn PDF document text
- http://allycatering.com/userfiles/37816852944.pdfIn PDF document text
- https://theshairpodcast.com/wp-content/plugins/super-forms/uploads/php/files/f28f4f0b1ac5dfe6beee24c7d7bed717/tofadakupizijokopufino.pdfIn PDF document text
- https://dodomacnosti.net/data/file/rizifew.pdfIn PDF document text
- https://www.idromeccanicasrl.com/idromeccanicasrl.com/wp-content/plugins/super-forms/uploads/php/files/2f7679631ad52389708257a79ae87c60/1646251481.pdfIn PDF document text
- https://hizlipin.com/calisma2/files/uploads/pibaxevowoji.pdfIn PDF document text
- https://realwebguys.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080b059aeede---99247078488.pdfIn PDF document text
- https://equator-maritime.com/userfiles/file/sogelebakibi.pdfIn PDF document text
- https://www.heracles-hotel.eu/wp-content/plugins/super-forms/uploads/php/files/27n5a80ujllirp51f4c52475a9/5147339303.pdfIn PDF document text
- https://hantverkarenisandby.se/UserFiles/files/pubijuriwifuseluk.pdfIn PDF document text
- http://debandhelder.nl/ckfinder/userfiles/files/84453725476.pdfIn PDF document text
- http://tydafa.com/dafa/uploadfiles/20210725051155.pdfIn PDF document text
- http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/160aaaff2dc4cf---baluwotakibepager.pdfIn PDF document text
- http://ats-dz.com/userfiles/file/20983798916.pdfIn PDF document text
- http://xn--k1akb4c.xn--p1ai/userfiles/file/59813551775.pdfIn PDF document text
- https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/160f3a5af84d7b---43866537908.pdfIn PDF document text
- http://siembra.me/uploads/files/57099371707.pdfIn PDF document text
- http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160aa4b9b0914c---48147438880.pdfIn PDF document text
- http://psn-monolit.ru/img_file/files/getimasososunekida.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=annie+leibovitz+life+through+a+lens+worksheet+answersPDF 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f1ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1AE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000109c5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109C5 | 11016 bytes |
SHA-256: 7d5777b818a70b2208d5ca9722ddfda8413b71c6fa9b016d08be80beadfc8f4d |
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font_02_sfnt_off0001237c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1237C | 17956 bytes |
SHA-256: 1b3756807f0a69c07190aed8b23acd92a3db656dadb75d77384895082d6f31b4 |
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