MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains multiple embedded URLs, with a critical heuristic firing indicating a link to known malicious redirector infrastructure at 'https://ttraff.com/wb?keyword=pulse%20modulation%20system%20pdf'. The document body, though heavily obfuscated, also contains this URL, suggesting it is the primary lure. The presence of a large number of other PDF links, many hosted on Shopify, indicates a link farm strategy to obscure the malicious destination.
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/wb?keyword=pulse%20modulation%20system%20pdf
- http://fekow.ctabrelief.org/uploads/1/3/0/9/130969060/viwawuzazinaj.pdf
- http://files.stjamesevangelicalchurch.com/uploads/1/3/0/8/130814172/fomabawutexujuminu.pdf
- http://files.restaurantlegacysolutions.com/uploads/1/3/0/8/130873872/dirigatorodifafod.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/dovaxetudomorunuk.pdf
- https://cdn.shopify.com/s/files/1/0436/9544/0040/files/natesikedawutoxud.pdf
- https://cdn.shopify.com/s/files/1/0431/5519/4011/files/61685289788.pdf
- https://cdn.shopify.com/s/files/1/0438/4597/6221/files/barreras_actitudinales.pdf
- https://cdn.shopify.com/s/files/1/0432/2358/0830/files/xudamivudivo.pdf
- https://cdn.shopify.com/s/files/1/0435/0597/5462/files/34102927639.pdf
- https://cdn.shopify.com/s/files/1/0437/5809/2439/files/mugakijefubopanilabu.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/48054684450.pdf
- https://cdn.shopify.com/s/files/1/0429/6219/0499/files/lijogeju.pdf
- https://cdn.shopify.com/s/files/1/0433/9941/3925/files/derupoderumujokakarijuli.pdf
- https://cdn.shopify.com/s/files/1/0430/0826/2297/files/63458401028.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/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000064c0.bin24d6a4bb50770c0f14832b7d7453f6acced58c11018268e8ec8809c75afc66ec |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x64C0 | 5196 bytes |
font_01_sfnt_off00007669.bin6008dd167b58f9a9fb1f44128078755900b8e55b27ae0fab588d8e754e52566c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7669 | 10372 bytes |
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