MALICIOUS
128
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was identified as malicious due to its inclusion of a link farm containing numerous external links, with a critical finding pointing to a redirector URL. The document body, though heavily obfuscated, contains the same redirector URL and a link to a PDF hosted on Shopify. This suggests a tactic of using a link farm to obscure the ultimate malicious destination, likely for phishing or malware delivery.
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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.com/pify?keyword=blynksimpleesp8266.+h+library
- http://files.edgewoodbands.com/uploads/1/3/2/6/132682739/da6191bfcff6.pdf
- http://zazobi.visionectc.com/uploads/1/3/0/7/130738764/4225855.pdf
- https://cdn.shopify.com/s/files/1/0433/5344/0414/files/sivemuvazogodemalap.pdf
- https://cdn.shopify.com/s/files/1/0430/9755/5098/files/berlingo_dimensions.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/rosetotirumeza.pdf
- https://cdn.shopify.com/s/files/1/0448/2813/1485/files/allen_test_papers_2017_jee.pdf
- https://cdn.shopify.com/s/files/1/0436/5189/1358/files/autoit_tutorial_deutsch.pdf
- https://cdn.shopify.com/s/files/1/0437/1267/5995/files/fitomolokoraxujumoparutix.pdf
- https://cdn.shopify.com/s/files/1/0433/6749/7884/files/common_poultry_diseases_and_symptoms.pdf
- https://cdn.shopify.com/s/files/1/0433/9616/9886/files/illustrated_encyclopedia_of_world_history.pdf
- https://cdn.shopify.com/s/files/1/0448/3871/5552/files/nsca_cscs_practice_exam.pdf
- https://cdn.shopify.com/s/files/1/0435/8930/4477/files/rodukate.pdf
- https://cdn.shopify.com/s/files/1/0434/4899/1910/files/luzoresolo.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_004_off000063c8.bina85bb32776581042a386051797ab1fc1cc0fece9b61bdfcd95e1a581a6cde40c |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x63C8 | 9692 bytes |
font_00_sfnt_off00004fd5.bin434728800073387f83c33ba56d82b8ef7462d4dfaeab81b951656d9134316d5a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4FD5 | 5928 bytes |
font_02_sfnt_off00007f73.bin0c22fe68b1f0d4d3d19fa3ca6c16694020a2ebcdedf98c283c625e9222fbce20 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F73 | 13932 bytes |
font_03_sfnt_off0000ac74.binf409240d4c14e218c897f4b732492221056c5b1d3ce396baf71dd7822694cbf9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAC74 | 17464 bytes |
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