MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, with one specifically pointing to a known malicious redirector. The document body, though heavily corrupted, contains text referencing "Dubai expo 2020 brand guidelines" and the tool used to generate the PDF, suggesting a lure to disguise the malicious intent. The presence of a large number of external PDF links further indicates a link farm or redirection strategy.
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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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.ru/pify?keyword=dubai+expo+2020+brand+guidelines In PDF document text
- http://files.sola-boutique.com/uploads/1/3/0/9/130969305/1398743.pdfIn PDF document text
- http://memufaga.gvequineassistedlearningcenter.org/uploads/1/3/0/7/130776167/32e19f5.pdfIn PDF document text
- http://files.horleycricketclub.co.uk/uploads/1/3/1/8/131859042/2310b.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/1/0439/1596/8680/files/centralized_vs_distributed_database.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/1881/1552/files/regodevejuzip.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9904/6553/files/wubajoven.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/3274/5896/files/animal_crossing_android_theme.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1234/9334/files/fuzavuxofiron.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2737/3986/files/88448236483.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7507/5225/files/gagupesipuzakevedagufog.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8838/0061/files/foxasatajiru.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3296/0409/files/12281441023.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9032/2335/files/menebutavenepokenon.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5346/6271/files/33773527967.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5455/4533/files/asme_y14_5m_2020_download.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_off000062fc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x62FC | 5608 bytes |
SHA-256: 691b51a80915cf7ff4911777b07d339d5add39702e4c13a397db5ff73341b89e |
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font_01_sfnt_off00007614.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7614 | 10280 bytes |
SHA-256: ec3926b107c01de66234c0d8a12f32d1f5c85f99b0835b91e44e9ee36567e39f |
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