MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, with a critical heuristic firing indicating it redirects to malicious infrastructure. The document body, though partially corrupted, contains text suggesting a lure related to a "happy birthday banner template pdf" and includes the malicious redirector URL. The presence of a large number of PDF links, many pointing to Shopify domains, suggests a link farm or SEO manipulation tactic to distribute the malicious content.
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.cc/wb?keyword=happy%20birthday%20banner%20template%20pdf
- http://files.kirajewellerickson.com/uploads/1/3/1/3/131381602/zujiwan.pdf
- http://files.dmdesignsoc.com/uploads/1/3/0/7/130739616/wolelodaziligi-wokejog-zafurebetefo.pdf
- http://files.htscounsellorcorner.com/uploads/1/3/0/8/130814187/bamezurafarubafisas.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/4062/0200/files/zajez.pdf
- https://cdn.shopify.com/s/files/1/0433/0858/1019/files/137208675.pdf
- https://cdn.shopify.com/s/files/1/0434/2376/0536/files/52432661055.pdf
- https://cdn.shopify.com/s/files/1/0437/5199/7592/files/minugavisopuf.pdf
- https://cdn.shopify.com/s/files/1/0431/0348/6103/files/visanegerufigawubi.pdf
- https://cdn.shopify.com/s/files/1/0427/8065/5775/files/74626929971.pdf
- https://cdn.shopify.com/s/files/1/0441/3744/7576/files/2986500832.pdf
- https://cdn.shopify.com/s/files/1/0428/9154/2681/files/novaterakatiw.pdf
- https://cdn.shopify.com/s/files/1/0428/8138/4604/files/15753009186.pdf
- https://cdn.shopify.com/s/files/1/0432/6211/6008/files/patarakewijuxasokug.pdf
- https://cdn.shopify.com/s/files/1/0430/6052/7265/files/kijadadudaburugiv.pdf
- https://cdn.shopify.com/s/files/1/0432/7299/4971/files/vusofodaxuwaxufogabegiso.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_off000068fd.binb180b889787a16697c5277b70bb80b89e64f83b1dc3c381477b1ea7c88f65688 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x68FD | 5308 bytes |
font_01_sfnt_off00007adc.binb9412d76ee40b3dd9a6eb1462046d7eebe9afd09f2df405a48a8a01d330791de |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7ADC | 10240 bytes |
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