MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document contains a large number of embedded links, many of which point to a link farm hosted on Shopify. One of the primary links directs to a known malicious redirector at 'ttraff.ru'. The document's content, while appearing to be a calendar, is likely a lure to encourage users to click these links. The presence of numerous external links and a malicious redirector strongly suggests a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
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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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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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=calendrier+2020+et+2020+%25C3%25A0+imprimer+pdf
- http://files.tanawanhandycraft.com/uploads/1/3/0/9/130969061/9083761.pdf
- http://files.mysuzannahsmith.com/uploads/1/3/0/9/130968906/wulaxemotozevim-konefava-wofujelebafoj-sudiwimezar.pdf
- http://files.architecturalglass.org/uploads/1/3/1/8/131856068/bbc6fbfa33d2.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0428/1283/3959/files/tafamepilujum.pdf
- https://cdn.shopify.com/s/files/1/0433/0638/5573/files/rv_repair_and_maintenance_manual.pdf
- https://cdn.shopify.com/s/files/1/0430/5007/4269/files/74404684030.pdf
- https://cdn.shopify.com/s/files/1/0451/0282/5625/files/certificado_medico_centro_de_salud.pdf
- https://cdn.shopify.com/s/files/1/0438/0635/9713/files/jijijajogemopeseremoruvo.pdf
- https://cdn.shopify.com/s/files/1/0431/6980/8550/files/zaderalexijegu.pdf
- https://cdn.shopify.com/s/files/1/0439/1682/0635/files/74234546939.pdf
- https://cdn.shopify.com/s/files/1/0432/1335/7211/files/49030579075.pdf
- https://cdn.shopify.com/s/files/1/0431/0899/1140/files/14491320868.pdf
- https://cdn.shopify.com/s/files/1/0428/0408/4899/files/95842711075.pdf
- https://cdn.shopify.com/s/files/1/0437/1959/0040/files/simple_classroom_rules_for_high_school_students.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005cd0.bin29c668783717173a8afb6ef9261c18590612a55a578a4e799936f9d6fd9b1c6b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5CD0 | 5420 bytes |
font_01_sfnt_off00006e94.binb8d40090be325f101f3ec154cce683965994d49d44c0a3cadceab59ce6d216fc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E94 | 12048 bytes |
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