MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous external links, many pointing to disposable domains, suggesting a link farm or phishing attempt. The document body, though heavily obfuscated, contains text related to 'Take five candy bar ingredients' and authoring information from wkhtmltopdf, which could be a lure. The presence of PDF_SEO_LINK_FARM and PDF_SEO_DISPOSABLE_LINK_FARM heuristics, along with ClamAV detection as Pdf.Phishing.Trojan, strongly indicates malicious intent. No scripts were extracted, but the overall structure and link distribution point towards a phishing or malicious redirection scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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://seumenha.ru/strik?utm_term=take+five+candy+bar+ingredients PDF link annotation
- https://cdn-cms.f-static.net/uploads/4479433/normal_601868a2e879d.pdfIn PDF document text
- http://feedbacrnz.space/serafina_series_book_6_release_datewpco6.pdfIn PDF document text
- https://runumoviw.weebly.com/uploads/1/3/4/8/134854062/8967781.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4403556/normal_60364f823a103.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4464851/normal_603256cd66237.pdfIn PDF document text
- http://tryraisins.pro/smoke_color_pngz2amt.pdfIn PDF document text
- https://zafudibibini.weebly.com/uploads/1/3/4/1/134108698/2613043.pdfIn PDF document text
- http://decideyouself.fun/834734983384alpj.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4450419/normal_6021271711bee.pdfIn PDF document text
- http://bcpzonasegur4viabcp.com/new_movie_apps_for_android_2018y3l48.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/rerinago/98066629195.pdfIn PDF document text
- https://s3.amazonaws.com/zafijukopa/15301589583.pdfIn PDF document text
- https://f37c3615-20b0-4e70-b1e7-2acf34113780.filesusr.com/ugd/1e533a_1d6fad1d4a294f708c3860d8e714c302.pdf?index=trueIn PDF document text
- https://70010cfe-69b1-4fe9-a336-bdfe2418dc1e.filesusr.com/ugd/f1d680_b8888bda37924d3cb5e176f30d016a35.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/gurafoga/bazamazomagi.pdfIn PDF document text
- https://b03e51a8-7171-48c0-94d6-e4c032e6f37f.filesusr.com/ugd/9421c8_725e1a6275d044eb80cc82b4c5c2c8a8.pdf?index=trueIn PDF document text
- https://ba739632-11db-41f7-a023-683a20e55d36.filesusr.com/ugd/99835b_01be52d3bb144b25a53c76cae0adbe1d.pdf?index=trueIn PDF document text
- https://dd3528e8-ded0-4753-843e-0d3cb9f542e7.filesusr.com/ugd/4d6844_e34494e39c824134ac75a42aa86fa5de.pdf?index=trueIn PDF document text
- https://a98f38e8-5810-4fc9-be6a-c3d78c7c4f9f.filesusr.com/ugd/921909_a3061d5684d24f84aca716933a990427.pdf?index=trueIn PDF document text
- https://1e16f6d7-285b-4488-bf07-d3e24ac90e20.filesusr.com/ugd/417718_cd87bd2984c14e4daede21e32128dd7c.pdf?index=trueIn PDF document text
- https://97a45c9e-1ab5-462a-bfe2-fded34b9a8b9.filesusr.com/ugd/b50c55_d36b8bf2ba1b4f56a9d47a01aaa08cf3.pdf?index=trueIn 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
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e3d7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3D7 | 5472 bytes |
SHA-256: 0428a3a173bb604cd258d281f5ccb5a8eb850191d895b2f9513865df996697b3 |
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font_01_sfnt_off0000f693.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF693 | 10532 bytes |
SHA-256: fbfc103b65b0e852afc8bfe2c418203581d200f383374b7d3331bf3e151332c7 |
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