MALICIOUS
128
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm and a malicious redirector, indicated by the PDF_MALICIOUS_REDIRECTOR_LINK and PDF_SEO_LINK_FARM heuristics. The document body text, though garbled, contains phrases related to 'tnpsc group 4 answer key 2017 free download pdf', suggesting a lure. The primary malicious URL identified is https://ttraff.ru/wb?keyword=tnpsc%20group%204%20answer%20key%202017%20free%20download%20pdf, which is linked to a redirector.
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.ru/wb?keyword=tnpsc%20group%204%20answer%20key%202017%20free%20download%20pdf
- http://files.myrafayeturner.com/uploads/1/3/1/8/131872054/5237166.pdf
- http://files.jpalmergolf.com/uploads/1/3/1/1/131163723/930559e3.pdf
- http://files.zithuleleschool.org/uploads/1/3/1/3/131379894/sibefoxovotedo_gopoxonagub_ziwisuji_zuzobuwozov.pdf
- http://files.earthcraftpermaculture.com/uploads/1/3/0/7/130776257/xiposofoli.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/57379697448.pdf
- https://cdn.shopify.com/s/files/1/0428/3082/3583/files/julamul.pdf
- https://cdn.shopify.com/s/files/1/0428/9154/2681/files/42957115101.pdf
- https://cdn.shopify.com/s/files/1/0439/1940/9320/files/trigger_ancient_egypt_a_social_history.pdf
- https://cdn.shopify.com/s/files/1/0431/4267/6648/files/57299011341.pdf
- https://cdn.shopify.com/s/files/1/0435/9582/5320/files/gowoku.pdf
- https://cdn.shopify.com/s/files/1/0429/5399/8487/files/12560246127.pdf
- https://cdn.shopify.com/s/files/1/0431/0482/9602/files/41122331260.pdf
- https://cdn.shopify.com/s/files/1/0428/2672/7580/files/dolezudaruluw.pdf
- https://cdn.shopify.com/s/files/1/0452/9078/2881/files/cataloguing_rules.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 |
|---|---|---|---|
stream_004_off0000b639.bin724b17c3bc5d48a725969ea374cef17360c72cb3a2fd8db5a6e782009c9325a7 |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0xB639 | 8936 bytes |
font_00_sfnt_off0000a186.binf3776915b5fc8ae93245097f9db2540342a26e60b774739758f85297e260156d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA186 | 6024 bytes |
font_02_sfnt_off0000cf63.bin760b99df4a5d41726e87e5f51846dabd4844b4752504e545ea9102057e3c31e0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF63 | 16368 bytes |
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