MALICIOUS
120
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, with a critical heuristic identifying a link to a known malicious redirector at 'https://ttraff.ru/pify?keyword=percentage+increase+and+decrease+word+problems+pdf'. The document body, though heavily obfuscated, contains text related to 'percentage increase and decrease word problems pdf' and references the wkhtmltopdf tool, suggesting a lure to disguise malicious content. The presence of a large number of external PDF links, many hosted on Shopify, indicates a potential SEO link farm or a method to distribute malicious content.
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=percentage+increase+and+decrease+word+problems+pdf
- http://files.kristysinsara.org/uploads/1/3/1/4/131453060/dafesefe.pdf
- http://files.chromecomputers.net/uploads/1/3/1/4/131438843/wewiwimox-zurajefenefuj.pdf
- http://ruxiku.kathrynsantaphotography.com/uploads/1/3/1/3/131383483/534e884e7.pdf
- https://cdn.shopify.com/s/files/1/0433/4557/6088/files/67497062257.pdf
- https://cdn.shopify.com/s/files/1/0435/0754/8326/files/tedewiretozopabuvis.pdf
- https://cdn.shopify.com/s/files/1/0438/4099/5490/files/32025296919.pdf
- https://cdn.shopify.com/s/files/1/0437/7850/6909/files/39254512814.pdf
- https://cdn.shopify.com/s/files/1/0428/9937/4233/files/bankart_repair_rehab_protocol.pdf
- https://cdn.shopify.com/s/files/1/0430/1671/6437/files/hindu_predictive_astrology_free_download.pdf
- https://cdn.shopify.com/s/files/1/0432/7692/7141/files/aiag_cqi-_8_layered_process_audit_guideline.pdf
- https://cdn.shopify.com/s/files/1/0428/1725/7628/files/52591825194.pdf
- https://cdn.shopify.com/s/files/1/0434/3722/8188/files/52397000087.pdf
- https://cdn.shopify.com/s/files/1/0436/9760/2713/files/69873669362.pdf
- https://cdn.shopify.com/s/files/1/0434/2749/6087/files/add_two_numbers_linked_list.pdf
- https://cdn.shopify.com/s/files/1/0438/2756/0610/files/xelulolibeketafivujix.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_off000068b8.binbedb4a4fd15c5f8bee059728ab23cc36a6c8203af6d7a5412eccaf14e199f245 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x68B8 | 5708 bytes |
font_01_sfnt_off00007c17.bin352386aafbf553ecb106cb22455777ade1039412cf876b47a542f79a7339c974 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7C17 | 10800 bytes |
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