MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious File
The PDF document contains a large number of embedded links, many of which point to external PDF files hosted on Shopify.com, likely as part of an SEO link farm. One critical heuristic firing indicates that a link within the document redirects to known malicious infrastructure at 'https://ttraff.cc/wb?keyword=automotive%20service%20manuals%20online'. 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/wb?keyword=automotive%20service%20manuals%20online In PDF document text
- http://files.shopbohosouth.com/uploads/1/3/0/7/130775551/midawepukake.pdfIn PDF document text
- http://files.dissmathstutor.co.uk/uploads/1/3/1/3/131383921/kizej.pdfIn PDF document text
- http://terevukab.perfectskinllc.com/uploads/1/3/0/9/130969559/feronafaperazi.pdfIn PDF document text
- http://files.archangelhumandevelopment.net/uploads/1/3/2/6/132680905/rujogoxenal-kodiwugejiw-rigewa.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/1/0440/1646/8133/files/django_secret_key_generator.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7863/8999/files/nba_2k13_cheats_xbox_360.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5812/7270/files/texes_preparation_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8037/5715/files/rikelujesitefu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2702/9400/files/pdf_to_word_converter_free_download_software_for_windows_7.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6728/5404/files/browning_prosteel_safe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6381/2002/files/91162491845.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3728/5797/files/8086_assembly_language_book.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/8625/6030/files/exploring_public_relations_global_strategic_communication.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6558/1468/files/expanded_psionic_handbook_3._5.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/5959/0806/files/nizet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/2724/9826/files/riwufimu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6737/5777/files/jefajiferigobad.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_off00005f97.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F97 | 4992 bytes |
SHA-256: 354eed2684e92d2da915dbcab596b7af8c490b904ff8fdaf2fdf35ef0ea48563 |
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font_01_sfnt_off0000707d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x707D | 10092 bytes |
SHA-256: bd308de58c8f9db3d2e3e5ee4e321e47ec4372345aedb53594e6857fe4984619 |
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