MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector. This suggests the document is part of a link farm or SEO manipulation scheme designed to funnel users to malicious sites. The ML classifier strongly supports the malicious verdict.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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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=billionaire+song++320kbps
- http://files.treefaeriefotos.com/uploads/1/3/1/8/131871894/8193451.pdf
- http://files.kaluppc.com/uploads/1/3/1/0/131071289/tetavosiv.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/1246/4550/files/ammonification_and_nitrification.pdf
- https://cdn.shopify.com/s/files/1/0436/4143/8366/files/8856517809.pdf
- https://cdn.shopify.com/s/files/1/0430/9568/7328/files/tutorial_on_java_programming_for_beginners.pdf
- https://cdn.shopify.com/s/files/1/0448/2249/5389/files/uptet_answer_key_2020_download.pdf
- https://cdn.shopify.com/s/files/1/0430/8867/4967/files/tejonidapego.pdf
- https://cdn.shopify.com/s/files/1/0431/2724/2914/files/wapulagasikobi.pdf
- https://cdn.shopify.com/s/files/1/0438/5538/0630/files/nekeluzev.pdf
- https://cdn.shopify.com/s/files/1/0438/6373/6485/files/zambian_catholic_choir_songs.pdf
- https://cdn.shopify.com/s/files/1/0437/8463/4530/files/womad.pdf
- https://cdn.shopify.com/s/files/1/0438/4866/3200/files/takereserenimalezesewuga.pdf
- https://cdn.shopify.com/s/files/1/0433/1274/2550/files/73740188490.pdf
- https://cdn.shopify.com/s/files/1/0428/9249/2963/files/70272710535.pdf
- https://cdn.shopify.com/s/files/1/0434/6013/3030/files/sonuwof.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000071df.bin286f7089a3be8e49af5c710ea1cf7211efdae6ff47a704b55a47d7784523d0dd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x71DF | 5676 bytes |
font_01_sfnt_off00008536.bin90f9936684534adeab4f5e001500dfe37b8e6f063e27796a1ec8e5abebfd2dd0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8536 | 10344 bytes |
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