MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many pointing to Shopify domains hosting other PDFs, forming a link farm. A critical heuristic identified a link to a known malicious redirector, ttraff.cc, which is likely used to obscure the final destination and potentially deliver a malicious payload or phish for credentials. The ML classifier also strongly indicated maliciousness.
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=junji+ito+human+chair In PDF document text
- http://files.telecollaboration.eu/uploads/1/3/1/4/131483830/3059921.pdfIn PDF document text
- http://files.nutritionbythesea.com/uploads/1/3/0/7/130775393/385328.pdfIn PDF document text
- http://files.wd-consult.com/uploads/1/3/0/8/130874148/4076746.pdfIn PDF document text
- http://files.spanish.thelanguagehub.net/uploads/1/3/0/7/130740465/1497352.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0428/1240/7967/files/wewiwutomaxapomuzex.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2068/8282/files/gelela.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7061/1861/files/vogijedaz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7415/0809/files/xekibezanivodaba.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9945/5642/files/38267661642.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/0625/2440/files/nifororeg.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0763/1783/files/13286747137.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6512/1699/files/numpy_normalize_columns.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5465/1799/files/xotemol.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/xidab.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9334/3912/files/63680856430.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9443/2161/files/business_data_communications_and_it_infrastructures.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9121/3990/files/13619498064.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1561/8203/files/61260775602.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006644.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6644 | 4496 bytes |
SHA-256: 861e89ae8285d8ba5b0af1dc69427b0c3743075a7218909c0089f9f416a41f95 |
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font_01_sfnt_off000075f6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x75F6 | 4660 bytes |
SHA-256: 62ac20754e077e4d48a07d6c39876807f630c70d88a55ed5bb6fbed836e08e2d |
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font_02_sfnt_off0000858c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x858C | 10052 bytes |
SHA-256: d2e7e8aeab48859f6ccebbc5c7972233086f358124af4c46d599daf716f87e6b |
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font_03_sfnt_off0000a7b4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA7B4 | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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