Malware Insights
The PDF file contains a significant number of embedded external links, with one heuristic specifically identifying it as a PDF link farm. One of these links, https://ttraff.ru/pify?keyword=angular+6+formcontrolname+checkbox, is flagged as a known malicious redirector. The document body itself is heavily obfuscated and contains what appears to be a mix of legitimate-looking text and URLs, suggesting a lure or content stuffing technique. The primary attack pattern appears to be the distribution of numerous links, likely to manipulate search engine rankings or to distribute malicious content.
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.ru/pify?keyword=angular+6+formcontrolname+checkbox
- http://lagojitit.kabloomgroup.com/uploads/1/3/1/1/131164250/62b7525.pdf
- http://files.alekstinapoodles.com/uploads/1/3/0/7/130776519/4314976.pdf
- http://tufutisij.okmulgee7.com/uploads/1/3/1/6/131606066/wepebiwu.pdf
- https://cdn.shopify.com/s/files/1/0437/6153/3085/files/27724787877.pdf
- https://cdn.shopify.com/s/files/1/0428/4963/2412/files/53801238592.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/72707516801.pdf
- https://cdn.shopify.com/s/files/1/0428/5346/6271/files/vifakup.pdf
- https://cdn.shopify.com/s/files/1/0431/1724/8673/files/girizatuwarivubaxu.pdf
- https://cdn.shopify.com/s/files/1/0433/3525/4171/files/68948857255.pdf
- https://cdn.shopify.com/s/files/1/0428/9714/6019/files/les_articles_definis_indefinis_et_partitifs_exercices.pdf
- https://cdn.shopify.com/s/files/1/0433/7165/9414/files/10512999391.pdf
- https://cdn.shopify.com/s/files/1/0434/1796/0604/files/cover_letter_graphic_designer.pdf
- https://cdn.shopify.com/s/files/1/0429/5966/7363/files/certified_associate_in_project_management_study_guide.pdf
- https://cdn.shopify.com/s/files/1/0437/8545/3730/files/5335804912.pdf
- https://cdn.shopify.com/s/files/1/0428/1637/2892/files/31502165310.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_off00005948.bindbd26f5edbe417629885c60821c4ab95cfe629548c1acfe91b22663d183c28a3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5948 | 5532 bytes |
font_01_sfnt_off00006bef.bin91c3c6f2eb04fc056aeb2ef85ddf45704488b3f57e434ab9d7b8e5c3f799f377 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6BEF | 11040 bytes |
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