MALICIOUS
120
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a heuristic firing for a malicious redirector link, which points to 'https://ttraff.ru/pify?keyword=disulfide+bond+formation+protein+dsba'. This URL is embedded within the document body, suggesting an attempt to trick users into visiting a malicious site under the guise of a document related to protein disulfide bonds. The file also exhibits characteristics of a link farm, with numerous external PDF links.
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.ru/pify?keyword=disulfide+bond+formation+protein+dsba
- http://nemalinos.francisweller.net/uploads/1/3/1/4/131454526/jenoj_gozifexisomo_samusol_vimaxarufes.pdf
- http://kelike.northwestchurchofchristchicago.org/uploads/1/3/1/6/131606027/9666beccbe1b28b.pdf
- http://files.oa-involve-agewell.ca/uploads/1/3/2/8/132814898/wurofojuzidati-katesemogaxute-kesibiri.pdf
- http://files.fourarrows-ranch.com/uploads/1/3/2/6/132680860/mirenomifiketurokat.pdf
- https://cdn.shopify.com/s/files/1/0436/3537/6281/files/11857904356.pdf
- https://cdn.shopify.com/s/files/1/0432/0965/4434/files/54333617230.pdf
- https://cdn.shopify.com/s/files/1/0430/9552/3485/files/la_importancia_del_bautismo_en_agua.pdf
- https://cdn.shopify.com/s/files/1/0439/0833/3736/files/kennen_aram_build.pdf
- https://cdn.shopify.com/s/files/1/0437/7647/5290/files/arduino_led_display_projects.pdf
- https://cdn.shopify.com/s/files/1/0437/8784/5790/files/sujefokokusasupomusez.pdf
- https://cdn.shopify.com/s/files/1/0429/1559/4399/files/nusoxawikokupoloxu.pdf
- https://cdn.shopify.com/s/files/1/0429/8581/6218/files/xijumawibarukasunowezal.pdf
- https://cdn.shopify.com/s/files/1/0436/2931/4206/files/fundamentals_of_computer_systems_4th_edition.pdf
- https://cdn.shopify.com/s/files/1/0428/8118/8003/files/37075665518.pdf
- https://cdn.shopify.com/s/files/1/0431/4261/1095/files/acoustic_guitar_chords_download.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/kevimofurerofujasopam.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/58829080427.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_off0001315d.bin9e9c9f757738a36fd1602c3b3abfc321377ffce4d528ccf9c6f5f959d269c543 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1315D | 5324 bytes |
font_01_sfnt_off0001434d.bin83d5dbe1d5eae31bfd337ecb29abfe27c8adfccd023cffdbb922fe18a2126945 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1434D | 10712 bytes |
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