MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link to a known malicious redirector, ttraff.com, which is disguised with a seemingly benign title. The ML classifier strongly flagged this PDF as malicious, and the presence of numerous external links, many pointing to Shopify domains, suggests a link farm or SEO poisoning tactic to distribute malicious content. No scripts were extracted, but the primary malicious indicator is the redirector URL.
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=a+painter%2527s+guide+to+design+and+composition
- http://files.dtctravel.com/uploads/1/3/2/8/132815924/dunivekoguvukisudu.pdf
- http://susajak.yonispretzelchallah.com/uploads/1/3/0/9/130969130/7680076.pdf
- http://xalegak.layagsug.com/uploads/1/3/2/6/132695601/1846340.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0430/7651/8049/files/calendario_escolar_2020_sep.pdf
- https://cdn.shopify.com/s/files/1/0434/5711/8374/files/43280135342.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mejamuzeditika.pdf
- https://cdn.shopify.com/s/files/1/0430/9562/1796/files/58204576029.pdf
- https://cdn.shopify.com/s/files/1/0433/5131/0488/files/66145340621.pdf
- https://cdn.shopify.com/s/files/1/0431/3264/9636/files/alistar_support_s6.pdf
- https://cdn.shopify.com/s/files/1/0430/5921/6537/files/82266324730.pdf
- https://cdn.shopify.com/s/files/1/0432/6732/6110/files/luwanuwoxigele.pdf
- https://cdn.shopify.com/s/files/1/0429/5468/6630/files/positive_attributes_of_personality.pdf
- https://cdn.shopify.com/s/files/1/0431/6450/0134/files/33101769016.pdf
- https://cdn.shopify.com/s/files/1/0432/7486/2758/files/ocr_biology_examiners_report_2018.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_off00006e46.bin0be0fb7c86ad108e277bade5e21956b5b04a63b22c8a926e3d752c48937cf1b8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E46 | 5384 bytes |
font_01_sfnt_off0000807a.bin61841e1a35aea9e1af1e666c04bb41940bbfefd1bb9e36aeac61a8d360765b6c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x807A | 10228 bytes |
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