MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics as a link farm and by a ML classifier as malicious. It contains numerous URLs pointing to PDF files hosted on compromised websites, suggesting a phishing or malware distribution campaign. The presence of multiple distinct hosts and the nature of the URLs indicate a coordinated effort to host malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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 http://www.cddfct.com/up_files/file/xajujenudusoligati.pdf In PDF document text
- http://wskinbody.com/data/boardData/files/sawawoxojebujelejew.pdfIn PDF document text
- https://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/du3k5sh89rmplofbm8htkndokb/11583026985.pdfIn PDF document text
- https://glycocalyx.nl/userfiles/image/file/51650361990.pdfIn PDF document text
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c8e4cf3c979---lakumojudulaxiriki.pdfIn PDF document text
- http://tachikawa-derma.biz/ckfinder/userfiles/files/tukigebixarodemole.pdfIn PDF document text
- http://bochosushi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e7b61b05ff---pusudukagolekejigafef.pdfIn PDF document text
- http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/1iofsnhmqvk183iuc3bp1fsjt3/taranokizegubivofin.pdfIn PDF document text
- http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ccfea2ec482---89591417200.pdfIn PDF document text
- http://szao-spb.ru/images/news/file/wiwivax.pdfIn PDF document text
- https://razvozka24.ru/wp-content/plugins/super-forms/uploads/php/files/bbb3e415d8964eead58366ee0b019dfd/66150936957.pdfIn PDF document text
- http://www.canadavisaservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095fba6dff54---79981348974.pdfIn PDF document text
- https://activepymes.com/pub/file/46489249877.pdfIn PDF document text
- http://cedule-plachty.cz/files/file/59460513793.pdfIn PDF document text
- https://frennphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b18b421cc8---fowiborokimimavazag.pdfIn PDF document text
- https://celovechurch.org/wp-content/plugins/super-forms/uploads/php/files/832c0c0d2404c5108e266a4594eba1f3/dujeb.pdfIn PDF document text
- https://laetitiabernard.fr/images/file/kokovutet.pdfIn PDF document text
- https://dineflon.com//files/95289900090.pdfIn PDF document text
- http://schroniskoorzechowce.pl/ckfinder/userfiles/files/xetuvasabedajemin.pdfIn PDF document text
- https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/90rtb6uffp63q5c0t0q7lq080k/68367898544.pdfIn PDF document text
- https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609889a9056f5---sixoberulinalewif.pdfIn PDF document text
- http://www.wallisandemmanuel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c223f22a168---94923299356.pdfIn PDF document text
- http://chongros.com/userData/board/file/dubotezipomom.pdfIn PDF document text
- https://sjalikave.hu/pictures/file/6309132415.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=roland+s+50+manualPDF 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_off0000d087.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD087 | 10388 bytes |
SHA-256: 90bf3be61e73b8baee108f7156e9c6d1c49e6c150a77a6e4106f9e6af93a8e23 |
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font_01_sfnt_off0000e80a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE80A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001001c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1001C | 15944 bytes |
SHA-256: bec0156cb12080562ee72284327a8a89689a4c26b80caaa9173fad02fef23f1c |
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