MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file was flagged as malicious by a machine learning classifier and contains numerous embedded links. One critical heuristic identified a malicious redirector link pointing to 'ttraff.com', which is likely used to obscure the true malicious destination. Another critical heuristic indicates a link farm, with many links pointing to Shopify-hosted PDFs, suggesting an attempt to manipulate search engine results or distribute content broadly. The presence of these link farms and redirectors strongly suggests a phishing or malware distribution campaign.
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.com/pify?keyword=architecture+plan+symbols+pdf In PDF document text
- http://files.elitestreetwear.com.au/uploads/1/3/1/4/131455680/5d5ddcb.pdfIn PDF document text
- http://files.gartersnakes.com/uploads/1/3/0/7/130775506/zinudijufefixugi.pdfIn PDF document text
- http://files.premierebasketball.com/uploads/1/3/0/7/130739069/5340979.pdfIn PDF document text
- http://files.carolannliaros.com/uploads/1/3/2/8/132814996/zatekedire.pdfIn PDF document text
- http://files.nickreadentertainment.com/uploads/1/3/2/6/132683135/f96a99036cd6d2.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/1/0431/8530/7808/files/70676914270.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6112/5025/files/23200522913.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/5526/6457/files/similarities_and_differences_between_mitosis_and_meiosis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6840/7464/files/online_malayalam_books_free_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2431/7607/files/feropononesofinegofitowo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9617/8845/files/sasuxozazajoron.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9585/0150/files/ahmed_deedat_francais.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/3789128943.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/5756/0217/files/19673559176.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3545/0774/files/vukamamajosibet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3459/8809/files/94652463019.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7138/1405/files/xufolimedivafiwiwosopile.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1761/7057/files/72166059473.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_off00006e6a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E6A | 5628 bytes |
SHA-256: 2ccc57de603e1beafb94e008be60d9d77998e60140e096676d9a0c64c59c0ccf |
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font_01_sfnt_off00008165.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8165 | 9476 bytes |
SHA-256: 5b15eec325092ea7d09e57680cfaf215b50f0dda66b9d9c2c61eb63507d6bdab |
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