MALICIOUS
204
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The PDF file contains numerous external links, many pointing to a link farm hosted on weebly.com, and a primary redirector URL. The heuristic 'PDF_SEO_LINK_FARM' and 'PDF_SEO_UTM_REDIRECTOR_LINK' indicate a deliberate attempt to create a network of links for SEO manipulation, likely to funnel users to malicious content. ClamAV detection and ML classification further support its malicious nature, suggesting it's a phishing or trojan delivery mechanism.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 7
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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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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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://kuzutuzo.ru/strik?utm_term=compaq+presario+cq57+charger+near+me PDF link annotation
- https://fisokifife.weebly.com/uploads/1/3/4/3/134340906/158802.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4379611/normal_601bd749d81b9.pdfIn PDF document text
- https://pupazugosabi.weebly.com/uploads/1/3/4/8/134868946/3553310.pdfIn PDF document text
- https://labekefetimobu.weebly.com/uploads/1/3/0/7/130739294/widibumaxerexa.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4393625/normal_5ffac07eb24d5.pdfIn PDF document text
- https://fiwofufoneronup.weebly.com/uploads/1/3/1/0/131071066/sibujegir-bofekilulal.pdfIn PDF document text
- http://spain50off.info/naruto_shippuden_episode_87rm57x.pdfIn PDF document text
- http://milatepe.medianewsonline.com/architecture_ebook__building_design_and_construction_handbook.pdfIn PDF document text
- http://my-favshope.online/44875918012z6t9a.pdfIn PDF document text
- http://reawont.online/girlfriends_guide_to_divorce_abby_pregnant9lwfv.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4369631/normal_5ff9c12a05cac.pdfIn PDF document text
- http://xulubapatoso.scienceontheweb.net/best_resistance_band_exercises_for_chest.pdfIn PDF document text
- http://jerunuju.mypressonline.com/lavasuw.pdfIn PDF document text
- https://wubudonujekud.weebly.com/uploads/1/3/4/5/134524452/nawolotoxozugo.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/gupojakami/chemistry_sol_review_guide_answers.pdfIn PDF document text
- https://s3.amazonaws.com/zabejuvijolu/93180600364.pdfIn PDF document text
- https://s3.amazonaws.com/pomaxa/kerevamunebajavi.pdfIn PDF document text
- https://s3.amazonaws.com/kukazowox/kisazoraxaxaj.pdfIn PDF document text
- https://d5e9a058-cbdc-4968-ba72-30cdbf1e36a3.filesusr.com/ugd/9cfd0a_fd0cf3e0321b4e6ebf9ea61b58ee9007.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/vobuturinivi/91475739301.pdfIn PDF document text
- https://cd489911-dc6d-4439-b408-84622343fb93.filesusr.com/ugd/d8e941_0c96ea475c8d4974bd9d6b1f14532b2c.pdf?index=trueIn PDF document text
- https://d4bcd744-2348-4fe3-9006-05b2fcbd3cbd.filesusr.com/ugd/704566_09a71ac344ed4a93bf1678e82731a8f9.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_off0000dcfd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCFD | 5552 bytes |
SHA-256: 13ea2fc350306944c6c09bbf4eb8e3f3ce903d97e9d43b95bebd055ddcb8f1f8 |
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font_01_sfnt_off0000efba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFBA | 11232 bytes |
SHA-256: 17cf0c4652c2e61e160024ffdc144a5af77a0cb17cafd38646ef4690f93d752c |
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