MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains multiple heuristics indicating malicious redirector links and a link farm, suggesting a phishing or scam attempt. The document body, though partially garbled, includes a URL that is also flagged as a malicious redirector. The presence of numerous links to S3 buckets and other PDFs indicates an attempt to create a link farm for SEO manipulation, likely to obscure the malicious redirector.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://ttraff.cc/123?keyword=do+not+be+daunted+by+the+enormity+of+the+world%2527s+grief+print In PDF document text
- https://s3.amazonaws.com/sugaguxagu/bepabatagisevolago.pdfIn PDF document text
- https://s3.amazonaws.com/kakekojezutok/cara_buat_cv_di.pdfIn PDF document text
- https://s3.amazonaws.com/fezenur/toporogabuwetofulej.pdfIn PDF document text
- https://s3.amazonaws.com/bupijila/51163989905.pdfIn PDF document text
- https://s3.amazonaws.com/pegek/apgli_loan_application.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368989/normal_5f968a8b907e8.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4382793/normal_5f938703c54f2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366057/normal_5f872730c5cb8.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4391037/normal_5f924b33d0124.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369762/normal_5f8ab09d0ebff.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369311/normal_5f936ba928f27.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4387218/normal_5f9594fc8f1af.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4409840/normal_5f93a6b3ca944.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4372355/normal_5f97d9b24d4a3.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368477/normal_5f885e1a95c66.pdfIn PDF document text
- https://zesopupejilit.weebly.com/uploads/1/3/0/7/130738861/botisipizuz_supixikikijowa_kabexodonu.pdfIn PDF document text
- https://ridolagu.weebly.com/uploads/1/3/0/7/130775195/zixekew.pdfIn PDF document text
- https://bijifejutumaxob.weebly.com/uploads/1/3/1/3/131381781/sodajixozegizowupu.pdfIn PDF document text
- https://s3.amazonaws.com/takateg/business_card_layout.pdfIn PDF document text
- https://s3.amazonaws.com/wilugugo/katalog_schneider_2017.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0496/9214/7869/files/best_cleaner_app_for_android_phone.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0498/9199/9926/files/gw2_legendary_armor_pvp_guide.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://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_off00007d0f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7D0F | 5824 bytes |
SHA-256: c6a1d21170920372711a40ba494b8cc70a042e2d63d0b7f0f4c72ee635f8fd80 |
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font_01_sfnt_off000090d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x90D0 | 10756 bytes |
SHA-256: 3d2375aca7e089fa828efe119cedb9064c94b48331f07942aadc3349d23b1d1e |
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