MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
T1059.001 PowerShell
The PDF contains a link that redirects to a known malicious domain, identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains the same redirect URL. The PDF_SEO_LINK_FARM heuristic indicates a large number of outbound links, suggesting a spam or phishing campaign. The ML classifier also strongly flagged this PDF as malicious.
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/pify?keyword=ielts+academic+writing+task+1+sample+questions+pdf In PDF document text
- http://files.tiffanycrowhurst.com/uploads/1/3/0/7/130775867/timinalowufobej-bixosujejenid.pdfIn PDF document text
- http://files.annekawalker.com/uploads/1/3/0/8/130813314/mutusudulomol.pdfIn PDF document text
- http://files.comitalenational.com/uploads/1/3/1/3/131380720/bec3903d9201a6.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/1/0430/4044/0471/files/43612045397.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/giratajolexodomofavewolov.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2190/9662/files/62038152055.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4374/7990/files/fudumawowikesubafanuta.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2219/5608/files/shooting_guard_drills.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9862/8501/files/nidujufopejuzexoja.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2752/1948/files/bepekomagevelevunup.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7250/4483/files/90861287615.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3243/7158/files/8400832158.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3499/2025/files/11th_zoology_practical_book_2020.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/62654677968.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9474/6023/files/zeroruzotogatumolenunos.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
- 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_off000087a9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x87A9 | 5748 bytes |
SHA-256: 3b2e5a89e82297fae378fd4f9312c4eac701bf469b98ed9d58fa01b5b2a4d9e8 |
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font_01_sfnt_off00009b38.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9B38 | 17328 bytes |
SHA-256: d3f70d2bded04840b5011d7cb47125e71e85f29f950815fa18392466cd4dbfc1 |
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font_02_sfnt_off0000c74b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC74B | 16068 bytes |
SHA-256: 5338b60dac2ddcc9fbf81734882903060897ff8c18563aad6864a581beec55c6 |
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