MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded links, many of which point to external PDF files hosted on various domains, including a known malicious redirector. The primary malicious link, 'https://ttraff.cc/pify?keyword=instrumental+techniques+for+analytical+chemistry+pdf', is designed to redirect users to potentially harmful content. The presence of a link farm and a malicious redirector strongly suggests a social engineering attack aimed at driving traffic to malicious infrastructure.
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=instrumental+techniques+for+analytical+chemistry+pdf In PDF document text
- http://files.peacenaperville.com/uploads/1/3/1/0/131070459/fagizir_pinobato_tudap_bomesujifav.pdfIn PDF document text
- http://files.nick-wright.com/uploads/1/3/1/8/131856860/sozikiwovud.pdfIn PDF document text
- http://files.ftfundraising.com/uploads/1/3/1/4/131453432/rolopidatajife.pdfIn PDF document text
- http://mukeli.gloucestershiregatewaytrust.org.uk/uploads/1/3/0/8/130814297/fokimimajopame_vuwakezasojosen_rulet_fadeloxo.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/1/0433/8827/2807/files/nuzerirodeligaziluzev.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6277/1358/files/tb_meningitis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1386/4604/files/313851237.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0664/7717/files/zazilu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0292/1111/files/pdf_to_word_converter_online_from_adobe_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9201/7305/files/59195860689.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6794/8706/files/how_to_highlight_on_mac.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2425/2055/files/dvs._dps._mn._gov_renew_tabs.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9037/8903/files/mulasifetakiw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5335/0040/files/sovomosetupaz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5894/4405/files/zoxunakatixisode.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1818/1013/files/wigulasifofuroxumor.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8475/0743/files/german_dative_prepositions_exercises.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_off00009ad8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9AD8 | 5560 bytes |
SHA-256: e0471c57cd0cdcfe36329bbf91484f7a3bfcdf440e8cc3b16b4390aa8df3c4d6 |
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font_01_sfnt_off0000ad8f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAD8F | 11376 bytes |
SHA-256: c10fa46b182b52540b43dc3dfb39c3a97d86f0c555d705479dcc341b97e0e01f |
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