MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, many of which point to a redirector infrastructure designed to obscure the final destination. The presence of a 'download button' lure and the ML classifier's high confidence score indicate a malicious intent to trick users into downloading further payloads. The document body itself is largely obfuscated but contains references to download links, reinforcing the malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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/pify?keyword=quantitative+aptitude+shortcuts+for+bank+exams+pdf+free+download In PDF document text
- http://zitad.trailoflife.org/uploads/1/3/1/3/131383775/turedomibuw.pdfIn PDF document text
- http://kalas.newfoundlandclubofnsw.com/uploads/1/3/0/7/130776483/wulixawaruv-naraxipujij-wutebaxes-kipuxexepuk.pdfIn PDF document text
- http://fotevuder.the8thcount.com/uploads/1/3/1/0/131070382/banupezagodip.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/1/0433/6523/6886/files/48284793416.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0428/1511/files/91534242843.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6719/6063/files/2628846664.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4456/8216/files/atmosfera_geografia.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2672/7580/files/believer_piano_sheet_music_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6105/1546/files/8n_ford_tractor_parts.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2023/0564/files/madedimekaturuzogap.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0659/0106/files/vanuruzonuwabe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0448/0778/2557/files/ncert_solutions_for_class_12_accountancy_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1335/7214/files/21426681116.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/31082235151.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7144/6939/files/22720458507.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/78108387577.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0649/1797/files/11860541666.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000579c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x579C | 5880 bytes |
SHA-256: 09fbf5fe829e04d9f31d39e0269ac40e90c804fb2e2012fa58ea10b5650c469b |
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font_01_sfnt_off00006b7e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B7E | 2116 bytes |
SHA-256: 3d710a4b121cc3492c3eb33a949758d423697a96dc6070b99fa40abea3aa876d |
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font_02_sfnt_off00007549.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7549 | 9984 bytes |
SHA-256: f28a5acc5d44aba46a6e2cd7fda9ab8ffe19c56f3b12042938d15d3fd67463b2 |
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