MALICIOUS
120
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous links, including one pointing to a known malicious redirector at 'ttraff.ru'. The document body, though heavily obfuscated, contains text related to 'univariate and multivariate analysis' and the malicious URL, suggesting a lure to trick users into clicking the link. The presence of a large number of external PDF links, many hosted on Shopify, indicates a link farm strategy to improve search engine ranking for malicious content.
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.ru/pify?keyword=univariate+and+multivariate+analysis+pdf
- http://files.nstcricelake.org/uploads/1/3/1/4/131437535/toriluxi.pdf
- http://files.christian-vogelsang.com/uploads/1/3/2/8/132814342/a95df48.pdf
- http://files.briocoffeehouse.com/uploads/1/3/1/3/131398367/f7b308d40f9dba2.pdf
- http://files.obsidiansolarcenter.com/uploads/1/3/2/6/132680905/7805359.pdf
- http://files.glenlodgeholsteins.com/uploads/1/3/0/8/130814169/tusipokubixoze.pdf
- https://cdn.shopify.com/s/files/1/0432/3105/1943/files/27539584647.pdf
- https://cdn.shopify.com/s/files/1/0430/3699/9842/files/14801257676.pdf
- https://cdn.shopify.com/s/files/1/0432/7846/7222/files/apsc_exam_question_paper_download.pdf
- https://cdn.shopify.com/s/files/1/0437/9050/0001/files/www_clickerheroes_com.pdf
- https://cdn.shopify.com/s/files/1/0433/6015/7855/files/didunowaritadulibedewufok.pdf
- https://cdn.shopify.com/s/files/1/0433/7316/6744/files/19085991737.pdf
- https://cdn.shopify.com/s/files/1/0433/5524/2655/files/10541944962.pdf
- https://cdn.shopify.com/s/files/1/0429/6962/8828/files/fbat_study_guide.pdf
- https://cdn.shopify.com/s/files/1/0435/7462/4419/files/battletech_tech_manual.pdf
- https://cdn.shopify.com/s/files/1/0431/1279/2221/files/48_country_code.pdf
- https://cdn.shopify.com/s/files/1/0434/7042/2180/files/66206897719.pdf
- https://cdn.shopify.com/s/files/1/0440/3894/6981/files/furoxodufagokuzabonavotum.pdf
- https://cdn.shopify.com/s/files/1/0433/7503/4520/files/puturalava.pdf
- https://cdn.shopify.com/s/files/1/0432/8810/1030/files/mifetabex.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/
- https://cdn.shopify.com/s/files/1/0440/3894/6981/files/furoxodufagokuzabonavotu
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006a44.bina894a4ca0cfebe39f014f7863e96bf51947a88cf1dc56b0939eedb02f3325850 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6A44 | 5340 bytes |
font_01_sfnt_off00007c69.bin39dccc5e4eedbe67753186d0f436a1669e3116250dfa6fd21e87428334bb4ec7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7C69 | 10336 bytes |
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