MALICIOUS
130
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a mass external link farm, with one critical heuristic firing indicating a link to known malicious redirector infrastructure. The document body text and embedded URLs suggest a lure for downloading a 'free PDF reader', which is a common social engineering tactic. The primary malicious URL identified is https://ttraff.com/pify?keyword=best+ad+free+pdf+reader+for+android, which likely serves as a gateway 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.com/pify?keyword=best+ad+free+pdf+reader+for+android
- http://files.afmsptsa.org/uploads/1/3/0/8/130814121/5791738.pdf
- http://files.businessrescuene.com/uploads/1/3/1/4/131482954/xaguneperuda-puwejonawup-kugokiwadim-petiwabuvinemet.pdf
- http://lufivo.superiorarmorworks.com/uploads/1/3/1/0/131069934/rakejivub.pdf
- https://cdn.shopify.com/s/files/1/0440/7446/7478/files/hand_lettering_alphabet.pdf
- https://cdn.shopify.com/s/files/1/0432/8407/0558/files/aromatic_substitution_reaction.pdf
- https://cdn.shopify.com/s/files/1/0439/1321/6168/files/multiple-_step_income_statements.pdf
- https://cdn.shopify.com/s/files/1/0431/6574/5312/files/diwerirelazizimapuxubavox.pdf
- https://cdn.shopify.com/s/files/1/0430/8808/5145/files/zizuzipodumek.pdf
- https://cdn.shopify.com/s/files/1/0431/9186/1412/files/togevuj.pdf
- https://cdn.shopify.com/s/files/1/0437/9960/9505/files/arris_tm1602_manual.pdf
- https://cdn.shopify.com/s/files/1/0440/6686/5302/files/manudeganelufituti.pdf
- https://cdn.shopify.com/s/files/1/0430/5181/0969/files/7497640160.pdf
- https://cdn.shopify.com/s/files/1/0431/7901/6360/files/82945839528.pdf
- https://cdn.shopify.com/s/files/1/0428/6336/2204/files/barron_writing_for_the_ielts_free_download.pdf
- https://cdn.shopify.com/s/files/1/0432/8911/6836/files/zesovajusozijenetuw.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_off0000771d.bin1f9ad1e373ff6a4a15ed6a7b268c81749cba998a224e1931349eb2f9694faf30 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x771D | 5052 bytes |
font_01_sfnt_off00008857.binda2a4c8b9069fa6f5156e952f4f16812f82096bc1e08240ff7ee882d12e2b0a5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8857 | 10416 bytes |
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