MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Phishing: Spearphishing Attachment
T1204.002 Malicious File: Malicious Link
The PDF file contains a large number of embedded links, many of which point to external PDF files hosted on Shopify. One critical heuristic identified a link to a known malicious redirector, ttraff.cc, which likely serves as a lure. The overall structure suggests a link farm designed to manipulate search engine rankings or distribute malicious content indirectly. No scripts were extracted, and the document body is heavily obfuscated.
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=guia%20insulinizacion%20pdf In PDF document text
- http://files.cookbuilderssupply.com/uploads/1/3/0/8/130813923/8880bc7b4.pdfIn PDF document text
- http://files.griffingazette.com/uploads/1/3/1/4/131452872/tuvuliwu_batimivakidaxir_ximugupudokunu.pdfIn PDF document text
- http://files.achsmembers.com/uploads/1/3/0/9/130969254/9359418b149.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/1/0432/0326/4667/files/42382728522.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6633/5142/files/40392765771.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4261/9035/files/nibasubifusolepak.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6057/5908/files/cognitive_approaches_to_lexical_semantics.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/volobufepafolosovi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/kexikebesadunav.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8879/6065/files/polarity_therapy_book.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7193/8453/files/jegetobaxajepepoweg.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2091/0746/files/lepukegevufabipi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1887/8117/files/79624118337.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3834/2311/files/mathematics_project_topics.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4722/3458/files/mathematics_of_finance_petr_zima.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7532/1499/files/les_pays_du_monde_et_leurs_capitales_par_continent.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0142/9662/files/zafavofukiwavejeb.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_off00005d0a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5D0A | 5136 bytes |
SHA-256: 5a3c1005f7ce0ff221cbcee63cadb7aba97b86947316b3485481d00545efe9c4 |
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font_01_sfnt_off00006ea4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6EA4 | 11392 bytes |
SHA-256: fd43da18c6d459e0aafe5e51e9ff1cfb963054c377957506e5769f3e717f1431 |
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