MALICIOUS
120
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a heuristic firing for PDF_MALICIOUS_REDIRECTOR_LINK, indicating it directs users to malicious infrastructure. The document body, though heavily obfuscated, contains a URL that appears to be a lure for educational content. The file also exhibits PDF_SEO_LINK_FARM behavior, embedding numerous links, many of which point to Shopify domains hosting PDF files, likely to manipulate search engine results and mask malicious activity. The primary malicious IOC is the redirector URL.
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=algebra+2+volume+1+answer
- http://files.drphilipbailey.net/uploads/1/3/2/7/132740277/gebunosomesejikog.pdf
- http://sotujubuv.fisherdecor.com/uploads/1/3/1/3/131382430/jugixelobola.pdf
- https://cdn.shopify.com/s/files/1/0432/1892/7775/files/aprender_frances_completo.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gegexovikorojirokelaxedu.pdf
- https://cdn.shopify.com/s/files/1/0428/9714/6019/files/bus_game_apk.pdf
- https://cdn.shopify.com/s/files/1/0436/8728/0790/files/apache_poioptions.pdf
- https://cdn.shopify.com/s/files/1/0438/8339/7272/files/67629383697.pdf
- https://cdn.shopify.com/s/files/1/0431/0512/4516/files/kumobiripamomikalurekulez.pdf
- https://cdn.shopify.com/s/files/1/0431/1564/3041/files/nibifede.pdf
- https://cdn.shopify.com/s/files/1/0435/2396/5079/files/bms_controls_and_hvac_systems.pdf
- https://cdn.shopify.com/s/files/1/0436/4327/3369/files/suit_jacket_size_guide_medium.pdf
- https://cdn.shopify.com/s/files/1/0430/6839/1591/files/19322409303.pdf
- https://cdn.shopify.com/s/files/1/0448/1653/1617/files/alexander_rybak_fariytale.pdf
- https://cdn.shopify.com/s/files/1/0429/6422/2101/files/moravagine_blaise_cendrars.pdf
- https://cdn.shopify.com/s/files/1/0438/1350/3133/files/monheims_local_anesthesia.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004637.bindc8b6ce75edec5af9b71e0d06144518b0d802174d7ec69c7ac3cc14051f6b819 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4637 | 5224 bytes |
font_01_sfnt_off000057ed.bincab3bdc5bd04ab2d38efd5a218dd689277be5dc31b8b83922da114677f829266 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x57ED | 9796 bytes |
font_02_sfnt_off00007977.bin05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7977 | 4324 bytes |
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