MALICIOUS
128
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains a prominent link that redirects to malicious infrastructure, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body and embedded links suggest a lure for downloading potentially unwanted software or malware, masquerading as a WhatsApp update. The PDF_SEO_LINK_FARM heuristic further indicates a large number of outbound links, many hosted on Shopify, likely part of a link farm to improve search engine ranking for 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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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.cc/pify?keyword=descargar+whatsapp+web+apk+2018
- http://files.patriciabjorklund.com/uploads/1/3/0/8/130813447/5633887.pdf
- http://piwipo.crystalspiritdesigns.com/uploads/1/3/0/7/130775607/ce0537b2fbbb376.pdf
- http://gemedo.erickacollado.com/uploads/1/3/2/3/132303072/xunuzulajuti-logupawepali-ruridasuvojezat-gufakupodepek.pdf
- http://files.ewapointe.com/uploads/1/3/1/4/131406510/dimaridij.pdf
- https://cdn.shopify.com/s/files/1/0429/8843/7655/files/xudewupipetalulenupo.pdf
- https://cdn.shopify.com/s/files/1/0439/9346/4990/files/56759993761.pdf
- https://cdn.shopify.com/s/files/1/0430/5528/4373/files/96230505528.pdf
- https://cdn.shopify.com/s/files/1/0435/5594/6655/files/41635547463.pdf
- https://cdn.shopify.com/s/files/1/0432/1663/4016/files/pedotogunufezene.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/57790570823.pdf
- https://cdn.shopify.com/s/files/1/0430/8339/9321/files/67603191987.pdf
- https://cdn.shopify.com/s/files/1/0431/0846/6845/files/print_an_int_in_c.pdf
- https://cdn.shopify.com/s/files/1/0434/3182/1468/files/dependencies_in_project_management.pdf
- https://cdn.shopify.com/s/files/1/0429/6966/1589/files/bluestacks_for_window_xp.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_off00006622.bin8f2c64b0ca4d816e3c8c2c489cc2dca5974fe2322314b7fc15ca1988cedc55fd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6622 | 5980 bytes |
font_01_sfnt_off00007a8d.binea3d860f0782bbb70b6bde50a346965f63779a82b0ec947307c6cefdeb10c041 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A8D | 11356 bytes |
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