MALICIOUS
120
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a heuristic firing for a malicious redirector link, which is also present in the document body. This link, 'https://ttraff.cc/pify?keyword=biochemistry+journal+articles+free+pdf', is designed to lure users by appearing to offer free journal articles. The PDF also contains a large number of external links, many hosted on Shopify, suggesting a link farm or SEO manipulation tactic. The primary malicious IOC is the redirector URL, which likely leads to further malicious content or phishing pages.
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.cc/pify?keyword=biochemistry+journal+articles+free+pdf
- http://files.northstaranimalcomm.com/uploads/1/3/1/3/131382470/6c6c838f6e28751.pdf
- http://files.numeracyteacher.com/uploads/1/3/1/6/131606260/wuzad-naxumesimab.pdf
- http://files.edcardproject.org/uploads/1/3/0/7/130775729/jopolunizaxabin.pdf
- https://cdn.shopify.com/s/files/1/0428/4222/6854/files/mafilu.pdf
- https://cdn.shopify.com/s/files/1/0433/7106/9594/files/sql_plsql_interview_questions.pdf
- https://cdn.shopify.com/s/files/1/0430/6986/6133/files/52523995382.pdf
- https://cdn.shopify.com/s/files/1/0436/2996/9561/files/insurgency_definition.pdf
- https://cdn.shopify.com/s/files/1/0437/6533/4165/files/algorithm_analysis_tutorial.pdf
- https://cdn.shopify.com/s/files/1/0428/5631/7091/files/monoxib.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/bojakotipizijogi.pdf
- https://cdn.shopify.com/s/files/1/0430/9162/4096/files/21582080899.pdf
- https://cdn.shopify.com/s/files/1/0432/4930/3720/files/zanavijupasobozurob.pdf
- https://cdn.shopify.com/s/files/1/0435/1072/6815/files/anemia_hemolitica_recien_nacido.pdf
- https://cdn.shopify.com/s/files/1/0435/6725/1617/files/ferozobidu.pdf
- https://cdn.shopify.com/s/files/1/0430/0334/7097/files/83266057750.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_off00005a11.bin731353921ed56fd66a89f46f2f13040045966d11a16e98ab870354d56b0a9af2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5A11 | 5504 bytes |
font_01_sfnt_off00006ca4.bin291463317829207b6b12f976da93341f870354779b64d50501b33516c0320a10 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6CA4 | 9920 bytes |
font_02_sfnt_off00008ea8.bin9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8EA8 | 4324 bytes |
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