MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a high density of external links, many pointing to Shopify domains, suggesting a link farm for SEO manipulation. One critical heuristic identified a link to a known malicious redirector, ttraff.cc, which is used to obscure the final destination. The document body, though corrupted, contains text related to a 'December 2018 calendar word template' and the malicious redirector URL, indicating a lure to trick users into clicking the link. The ML classifier also strongly flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 3
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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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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/pify?keyword=december+2018+calendar+word+template
- http://gimela.benkiashaninka.com/uploads/1/3/1/4/131407406/3880390.pdf
- http://files.thomasmechanicaldesign.com/uploads/1/3/1/4/131453512/5962b99b3.pdf
- http://files.assureyou.org/uploads/1/3/1/1/131164260/2807298.pdf
- http://files.ossipeecentralschool.org/uploads/1/3/1/3/131384249/966349.pdf
- http://files.rewoca.org/uploads/1/3/0/7/130776607/jawonamelefo_xowavozuped.pdf
- https://cdn.shopify.com/s/files/1/0434/3024/8600/files/58422709608.pdf
- https://cdn.shopify.com/s/files/1/0431/4375/7985/files/miluwumosugot.pdf
- https://cdn.shopify.com/s/files/1/0434/8434/8569/files/nepoxumaxobifozowiwe.pdf
- https://cdn.shopify.com/s/files/1/0433/6759/6184/files/xazodovawifiwowa.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/66179678401.pdf
- https://cdn.shopify.com/s/files/1/0429/2670/2755/files/jopinobilixoxijedegujagu.pdf
- https://cdn.shopify.com/s/files/1/0432/5035/2296/files/taxusamororavozu.pdf
- https://cdn.shopify.com/s/files/1/0435/3094/4671/files/christopher_walken_hot_dogs.pdf
- https://cdn.shopify.com/s/files/1/0431/1737/9745/files/kajonotasanu.pdf
- https://cdn.shopify.com/s/files/1/0434/2205/6600/files/lonuxatazopewekoro.pdf
- https://cdn.shopify.com/s/files/1/0435/5329/2440/files/abstract_algebra_an_introduction_3rd_edition_solutions.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_off00005969.bind3d6fd9df50f2f7a69da42d91bfadb32947fc659c97760830ee7800a7bd241c5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5969 | 5792 bytes |
font_01_sfnt_off00006d1c.bin441775246eb11e7c6f580c15daf59a4e20c7403e766fa5f5aaf9d1ef87bc832b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6D1C | 10688 bytes |
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