MALICIOUS
128
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a heuristic firing for a malicious redirector link and a link farm, suggesting a phishing or scam attempt. The document body, though heavily obfuscated, contains text related to 'Biostatistics journal pdf' and a URL that matches the redirector heuristic. The presence of a link farm with numerous PDF links further supports the lure tactic. The primary malicious IOC is the redirector URL, which likely leads to further malicious content.
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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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=biostatistics+journal+pdf
- http://nimibu.dahianatorres.com/uploads/1/3/1/4/131454065/5069817.pdf
- http://files.lizzysitterdesigns.com/uploads/1/3/0/8/130814669/4614401.pdf
- http://files.acuteanglewritez.com/uploads/1/3/1/8/131871621/8314778.pdf
- http://lanefa.guavachocolates.com/uploads/1/3/0/8/130874457/c071728.pdf
- https://cdn.shopify.com/s/files/1/0438/1730/4226/files/xokuwifubavavanosijewixej.pdf
- https://cdn.shopify.com/s/files/1/0441/0392/5912/files/jamaica_inn_daphne_du_maurier.pdf
- https://cdn.shopify.com/s/files/1/0435/3461/4688/files/22395514107.pdf
- https://cdn.shopify.com/s/files/1/0439/6626/7550/files/craftsman_snow_plow_installation_manual.pdf
- https://cdn.shopify.com/s/files/1/0430/3300/2145/files/limufobewoferudoraromijo.pdf
- https://cdn.shopify.com/s/files/1/0430/4856/6941/files/16964534625.pdf
- https://cdn.shopify.com/s/files/1/0434/9765/2376/files/26444323276.pdf
- https://cdn.shopify.com/s/files/1/0431/2861/9168/files/80312357939.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/jobevemavesofidubuxiwi.pdf
- https://cdn.shopify.com/s/files/1/0432/7378/1408/files/kuvewasabobubez.pdf
- https://cdn.shopify.com/s/files/1/0433/6097/7048/files/nexule.pdf
- https://cdn.shopify.com/s/files/1/0435/6079/6318/files/20500263240.pdf
- https://cdn.shopify.com/s/files/1/0433/2421/1354/files/dufek.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_off000091fb.bin84530c4b2d5851d11a59561413d0eb6756a76645af814fb5a7d5e8f7bc65a4f0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x91FB | 5272 bytes |
font_01_sfnt_off0000a3fc.bin0b6b68e83b291bc33ba6a703857a647108ff83a885576625a2042918919ca636 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA3FC | 10812 bytes |
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